Home / 282,729.56-390,156.08-161,882.15

Finding the Fourth Proportional to 282,729.56, 390,156.08 and 161,882.15

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Solution

The fourth proportional to 282,729.56, 390,156.08 and 161,882.15 is: 223,391.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,729.56 : 390,156.08 = 161,882.15 : x
  2. Step 2: Convert to fraction form
    282,729.56/390,156.08 = 161,882.15/x
  3. Step 3: Cross multiply
    282,729.56x = 390,156.08 × 161,882.15
  4. Step 4: Simplify right side
    282,729.56x = 63,159,302,305.78
  5. Step 5: Solve for x
    x = 63,159,302,305.78/282,729.56
  6. Step 6: Final answer
    x = 223,391.23

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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.