Home / 343,260.40-514,890.60-296,021.20

Finding the Fourth Proportional to 343,260.40, 514,890.60 and 296,021.20

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Solution

The fourth proportional to 343,260.40, 514,890.60 and 296,021.20 is: 444,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,260.40 : 514,890.60 = 296,021.20 : x
  2. Step 2: Convert to fraction form
    343,260.40/514,890.60 = 296,021.20/x
  3. Step 3: Cross multiply
    343,260.40x = 514,890.60 × 296,021.20
  4. Step 4: Simplify right side
    343,260.40x = 152,418,533,280.72
  5. Step 5: Solve for x
    x = 152,418,533,280.72/343,260.40
  6. Step 6: Final answer
    x = 444,031.80

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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.