Home / 380,925.20-571,393.44-144,204.32

Finding the Fourth Proportional to 380,925.20, 571,393.44 and 144,204.32

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Solution

The fourth proportional to 380,925.20, 571,393.44 and 144,204.32 is: 216,308.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,925.20 : 571,393.44 = 144,204.32 : x
  2. Step 2: Convert to fraction form
    380,925.20/571,393.44 = 144,204.32/x
  3. Step 3: Cross multiply
    380,925.20x = 571,393.44 × 144,204.32
  4. Step 4: Simplify right side
    380,925.20x = 82,397,402,467.66
  5. Step 5: Solve for x
    x = 82,397,402,467.66/380,925.20
  6. Step 6: Final answer
    x = 216,308.62

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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.