Home / 380,984.95-571,437.33-156,369.16

Finding the Fourth Proportional to 380,984.95, 571,437.33 and 156,369.16

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Solution

The fourth proportional to 380,984.95, 571,437.33 and 156,369.16 is: 234,537.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,984.95 : 571,437.33 = 156,369.16 : x
  2. Step 2: Convert to fraction form
    380,984.95/571,437.33 = 156,369.16/x
  3. Step 3: Cross multiply
    380,984.95x = 571,437.33 × 156,369.16
  4. Step 4: Simplify right side
    380,984.95x = 89,355,175,284.74
  5. Step 5: Solve for x
    x = 89,355,175,284.74/380,984.95
  6. Step 6: Final answer
    x = 234,537.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.