Home / 385,707.19-532,331.76-215,952.25

Finding the Fourth Proportional to 385,707.19, 532,331.76 and 215,952.25

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Solution

The fourth proportional to 385,707.19, 532,331.76 and 215,952.25 is: 298,045.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,707.19 : 532,331.76 = 215,952.25 : x
  2. Step 2: Convert to fraction form
    385,707.19/532,331.76 = 215,952.25/x
  3. Step 3: Cross multiply
    385,707.19x = 532,331.76 × 215,952.25
  4. Step 4: Simplify right side
    385,707.19x = 114,958,241,318.46
  5. Step 5: Solve for x
    x = 114,958,241,318.46/385,707.19
  6. Step 6: Final answer
    x = 298,045.37

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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.