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Finding the Fourth Proportional to 429,208, 592,307.04 and 278,306.08

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Solution

The fourth proportional to 429,208, 592,307.04 and 278,306.08 is: 384,062.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,208 : 592,307.04 = 278,306.08 : x
  2. Step 2: Convert to fraction form
    429,208/592,307.04 = 278,306.08/x
  3. Step 3: Cross multiply
    429,208x = 592,307.04 × 278,306.08
  4. Step 4: Simplify right side
    429,208x = 164,842,650,458.80
  5. Step 5: Solve for x
    x = 164,842,650,458.80/429,208
  6. Step 6: Final answer
    x = 384,062.39

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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.