Home / 384,740.46-577,139.70-114,847.28

Finding the Fourth Proportional to 384,740.46, 577,139.70 and 114,847.28

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Solution

The fourth proportional to 384,740.46, 577,139.70 and 114,847.28 is: 172,279.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,740.46 : 577,139.70 = 114,847.28 : x
  2. Step 2: Convert to fraction form
    384,740.46/577,139.70 = 114,847.28/x
  3. Step 3: Cross multiply
    384,740.46x = 577,139.70 × 114,847.28
  4. Step 4: Simplify right side
    384,740.46x = 66,282,924,725.02
  5. Step 5: Solve for x
    x = 66,282,924,725.02/384,740.46
  6. Step 6: Final answer
    x = 172,279.58

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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.