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Finding the Fourth Proportional to 307,552.56, 424,412.91 and 180,312.90

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Solution

The fourth proportional to 307,552.56, 424,412.91 and 180,312.90 is: 248,826.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,552.56 : 424,412.91 = 180,312.90 : x
  2. Step 2: Convert to fraction form
    307,552.56/424,412.91 = 180,312.90/x
  3. Step 3: Cross multiply
    307,552.56x = 424,412.91 × 180,312.90
  4. Step 4: Simplify right side
    307,552.56x = 76,527,122,599.54
  5. Step 5: Solve for x
    x = 76,527,122,599.54/307,552.56
  6. Step 6: Final answer
    x = 248,826.16

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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.