Home / 372,620.18-514,200.56-211,472.30

Finding the Fourth Proportional to 372,620.18, 514,200.56 and 211,472.30

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Solution

The fourth proportional to 372,620.18, 514,200.56 and 211,472.30 is: 291,823.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,620.18 : 514,200.56 = 211,472.30 : x
  2. Step 2: Convert to fraction form
    372,620.18/514,200.56 = 211,472.30/x
  3. Step 3: Cross multiply
    372,620.18x = 514,200.56 × 211,472.30
  4. Step 4: Simplify right side
    372,620.18x = 108,739,175,312.63
  5. Step 5: Solve for x
    x = 108,739,175,312.63/372,620.18
  6. Step 6: Final answer
    x = 291,823.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.