Home / 358,856.20-539,450.70-307,534.60

Finding the Fourth Proportional to 358,856.20, 539,450.70 and 307,534.60

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Solution

The fourth proportional to 358,856.20, 539,450.70 and 307,534.60 is: 462,301.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,856.20 : 539,450.70 = 307,534.60 : x
  2. Step 2: Convert to fraction form
    358,856.20/539,450.70 = 307,534.60/x
  3. Step 3: Cross multiply
    358,856.20x = 539,450.70 × 307,534.60
  4. Step 4: Simplify right side
    358,856.20x = 165,899,755,244.22
  5. Step 5: Solve for x
    x = 165,899,755,244.22/358,856.20
  6. Step 6: Final answer
    x = 462,301.49

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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.