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Finding the Fourth Proportional to 292,600.84, 438,813.77 and 152,282.92

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Solution

The fourth proportional to 292,600.84, 438,813.77 and 152,282.92 is: 228,378.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,600.84 : 438,813.77 = 152,282.92 : x
  2. Step 2: Convert to fraction form
    292,600.84/438,813.77 = 152,282.92/x
  3. Step 3: Cross multiply
    292,600.84x = 438,813.77 × 152,282.92
  4. Step 4: Simplify right side
    292,600.84x = 66,823,841,515.48
  5. Step 5: Solve for x
    x = 66,823,841,515.48/292,600.84
  6. Step 6: Final answer
    x = 228,378.85

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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.