Home / 380,712.33-571,140.59-153,025.70

Finding the Fourth Proportional to 380,712.33, 571,140.59 and 153,025.70

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Solution

The fourth proportional to 380,712.33, 571,140.59 and 153,025.70 is: 229,567.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,712.33 : 571,140.59 = 153,025.70 : x
  2. Step 2: Convert to fraction form
    380,712.33/571,140.59 = 153,025.70/x
  3. Step 3: Cross multiply
    380,712.33x = 571,140.59 × 153,025.70
  4. Step 4: Simplify right side
    380,712.33x = 87,399,184,962.33
  5. Step 5: Solve for x
    x = 87,399,184,962.33/380,712.33
  6. Step 6: Final answer
    x = 229,567.52

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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.