Home / 309,113.10-463,669.65-239,042.70

Finding the Fourth Proportional to 309,113.10, 463,669.65 and 239,042.70

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Solution

The fourth proportional to 309,113.10, 463,669.65 and 239,042.70 is: 358,564.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,113.10 : 463,669.65 = 239,042.70 : x
  2. Step 2: Convert to fraction form
    309,113.10/463,669.65 = 239,042.70/x
  3. Step 3: Cross multiply
    309,113.10x = 463,669.65 × 239,042.70
  4. Step 4: Simplify right side
    309,113.10x = 110,836,845,044.06
  5. Step 5: Solve for x
    x = 110,836,845,044.06/309,113.10
  6. Step 6: Final answer
    x = 358,564.05

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.