Home / 358,500.32-537,937.89-145,290.90

Finding the Fourth Proportional to 358,500.32, 537,937.89 and 145,290.90

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Solution

The fourth proportional to 358,500.32, 537,937.89 and 145,290.90 is: 218,012.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,500.32 : 537,937.89 = 145,290.90 : x
  2. Step 2: Convert to fraction form
    358,500.32/537,937.89 = 145,290.90/x
  3. Step 3: Cross multiply
    358,500.32x = 537,937.89 × 145,290.90
  4. Step 4: Simplify right side
    358,500.32x = 78,157,480,182.20
  5. Step 5: Solve for x
    x = 78,157,480,182.20/358,500.32
  6. Step 6: Final answer
    x = 218,012.30

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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.