Home / 384,965.60-577,577.18-216,815.27

Finding the Fourth Proportional to 384,965.60, 577,577.18 and 216,815.27

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Solution

The fourth proportional to 384,965.60, 577,577.18 and 216,815.27 is: 325,295.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,965.60 : 577,577.18 = 216,815.27 : x
  2. Step 2: Convert to fraction form
    384,965.60/577,577.18 = 216,815.27/x
  3. Step 3: Cross multiply
    384,965.60x = 577,577.18 × 216,815.27
  4. Step 4: Simplify right side
    384,965.60x = 125,227,549,881.69
  5. Step 5: Solve for x
    x = 125,227,549,881.69/384,965.60
  6. Step 6: Final answer
    x = 325,295.43

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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.