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Finding the Fourth Proportional to 149,492.79, 224,240.00 and 38,684.79

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Solution

The fourth proportional to 149,492.79, 224,240.00 and 38,684.79 is: 58,027.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,492.79 : 224,240.00 = 38,684.79 : x
  2. Step 2: Convert to fraction form
    149,492.79/224,240.00 = 38,684.79/x
  3. Step 3: Cross multiply
    149,492.79x = 224,240.00 × 38,684.79
  4. Step 4: Simplify right side
    149,492.79x = 8,674,677,116.18
  5. Step 5: Solve for x
    x = 8,674,677,116.18/149,492.79
  6. Step 6: Final answer
    x = 58,027.39

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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.