Home / 389,869.22-585,037.10-358,143.14

Finding the Fourth Proportional to 389,869.22, 585,037.10 and 358,143.14

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Solution

The fourth proportional to 389,869.22, 585,037.10 and 358,143.14 is: 537,429.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,869.22 : 585,037.10 = 358,143.14 : x
  2. Step 2: Convert to fraction form
    389,869.22/585,037.10 = 358,143.14/x
  3. Step 3: Cross multiply
    389,869.22x = 585,037.10 × 358,143.14
  4. Step 4: Simplify right side
    389,869.22x = 209,527,024,010.49
  5. Step 5: Solve for x
    x = 209,527,024,010.49/389,869.22
  6. Step 6: Final answer
    x = 537,429.00

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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.