Home / 372,539.28-514,089.91-211,384.71

Finding the Fourth Proportional to 372,539.28, 514,089.91 and 211,384.71

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Solution

The fourth proportional to 372,539.28, 514,089.91 and 211,384.71 is: 291,702.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,539.28 : 514,089.91 = 211,384.71 : x
  2. Step 2: Convert to fraction form
    372,539.28/514,089.91 = 211,384.71/x
  3. Step 3: Cross multiply
    372,539.28x = 514,089.91 × 211,384.71
  4. Step 4: Simplify right side
    372,539.28x = 108,670,746,539.28
  5. Step 5: Solve for x
    x = 108,670,746,539.28/372,539.28
  6. Step 6: Final answer
    x = 291,702.79

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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.