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Finding the Fourth Proportional to 475,980.80, 713,592.32 and 235,925.76

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Solution

The fourth proportional to 475,980.80, 713,592.32 and 235,925.76 is: 353,700.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,980.80 : 713,592.32 = 235,925.76 : x
  2. Step 2: Convert to fraction form
    475,980.80/713,592.32 = 235,925.76/x
  3. Step 3: Cross multiply
    475,980.80x = 713,592.32 × 235,925.76
  4. Step 4: Simplify right side
    475,980.80x = 168,354,810,426.16
  5. Step 5: Solve for x
    x = 168,354,810,426.16/475,980.80
  6. Step 6: Final answer
    x = 353,700.84

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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.