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Finding the Fourth Proportional to 255,035.60, 382,553.40 and 210,712.40

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Solution

The fourth proportional to 255,035.60, 382,553.40 and 210,712.40 is: 316,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,035.60 : 382,553.40 = 210,712.40 : x
  2. Step 2: Convert to fraction form
    255,035.60/382,553.40 = 210,712.40/x
  3. Step 3: Cross multiply
    255,035.60x = 382,553.40 × 210,712.40
  4. Step 4: Simplify right side
    255,035.60x = 80,608,745,042.16
  5. Step 5: Solve for x
    x = 80,608,745,042.16/255,035.60
  6. Step 6: Final answer
    x = 316,068.60

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1.5x scale

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.