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Finding the Fourth Proportional to 438,300.62, 604,808.78 and 254,503.27

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Solution

The fourth proportional to 438,300.62, 604,808.78 and 254,503.27 is: 351,187.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,300.62 : 604,808.78 = 254,503.27 : x
  2. Step 2: Convert to fraction form
    438,300.62/604,808.78 = 254,503.27/x
  3. Step 3: Cross multiply
    438,300.62x = 604,808.78 × 254,503.27
  4. Step 4: Simplify right side
    438,300.62x = 153,925,813,149.79
  5. Step 5: Solve for x
    x = 153,925,813,149.79/438,300.62
  6. Step 6: Final answer
    x = 351,187.76

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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.