Home / 372,488.31-514,088.04-209,163.15

Finding the Fourth Proportional to 372,488.31, 514,088.04 and 209,163.15

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Solution

The fourth proportional to 372,488.31, 514,088.04 and 209,163.15 is: 288,675.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,488.31 : 514,088.04 = 209,163.15 : x
  2. Step 2: Convert to fraction form
    372,488.31/514,088.04 = 209,163.15/x
  3. Step 3: Cross multiply
    372,488.31x = 514,088.04 × 209,163.15
  4. Step 4: Simplify right side
    372,488.31x = 107,528,273,823.73
  5. Step 5: Solve for x
    x = 107,528,273,823.73/372,488.31
  6. Step 6: Final answer
    x = 288,675.57

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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.