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Finding the Fourth Proportional to 149,628, 224,441.73 and 87,254.76

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Solution

The fourth proportional to 149,628, 224,441.73 and 87,254.76 is: 130,881.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,628 : 224,441.73 = 87,254.76 : x
  2. Step 2: Convert to fraction form
    149,628/224,441.73 = 87,254.76/x
  3. Step 3: Cross multiply
    149,628x = 224,441.73 × 87,254.76
  4. Step 4: Simplify right side
    149,628x = 19,583,609,285.13
  5. Step 5: Solve for x
    x = 19,583,609,285.13/149,628
  6. Step 6: Final answer
    x = 130,881.98

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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.