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Finding the Fourth Proportional to 370,268.01, 510,988.50 and 217,312.89

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Solution

The fourth proportional to 370,268.01, 510,988.50 and 217,312.89 is: 299,902.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,268.01 : 510,988.50 = 217,312.89 : x
  2. Step 2: Convert to fraction form
    370,268.01/510,988.50 = 217,312.89/x
  3. Step 3: Cross multiply
    370,268.01x = 510,988.50 × 217,312.89
  4. Step 4: Simplify right side
    370,268.01x = 111,044,387,691.77
  5. Step 5: Solve for x
    x = 111,044,387,691.77/370,268.01
  6. Step 6: Final answer
    x = 299,902.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.