Home / 309,535.04-463,680.48-161,480

Finding the Fourth Proportional to 309,535.04, 463,680.48 and 161,480

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Solution

The fourth proportional to 309,535.04, 463,680.48 and 161,480 is: 241,895.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,535.04 : 463,680.48 = 161,480 : x
  2. Step 2: Convert to fraction form
    309,535.04/463,680.48 = 161,480/x
  3. Step 3: Cross multiply
    309,535.04x = 463,680.48 × 161,480
  4. Step 4: Simplify right side
    309,535.04x = 74,875,123,910.40
  5. Step 5: Solve for x
    x = 74,875,123,910.40/309,535.04
  6. Step 6: Final answer
    x = 241,895.47

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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.