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Finding the Fourth Proportional to 557,900.04, 836,208.52 and 257,750.08

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Solution

The fourth proportional to 557,900.04, 836,208.52 and 257,750.08 is: 386,328.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,900.04 : 836,208.52 = 257,750.08 : x
  2. Step 2: Convert to fraction form
    557,900.04/836,208.52 = 257,750.08/x
  3. Step 3: Cross multiply
    557,900.04x = 836,208.52 × 257,750.08
  4. Step 4: Simplify right side
    557,900.04x = 215,532,812,926.68
  5. Step 5: Solve for x
    x = 215,532,812,926.68/557,900.04
  6. Step 6: Final answer
    x = 386,328.73

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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.