Home / 427,916.52-590,545.08-258,147

Finding the Fourth Proportional to 427,916.52, 590,545.08 and 258,147

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Solution

The fourth proportional to 427,916.52, 590,545.08 and 258,147 is: 356,255.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,916.52 : 590,545.08 = 258,147 : x
  2. Step 2: Convert to fraction form
    427,916.52/590,545.08 = 258,147/x
  3. Step 3: Cross multiply
    427,916.52x = 590,545.08 × 258,147
  4. Step 4: Simplify right side
    427,916.52x = 152,447,440,766.76
  5. Step 5: Solve for x
    x = 152,447,440,766.76/427,916.52
  6. Step 6: Final answer
    x = 356,255.10

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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.