Home / 258,856.95-357,152.85-151,453.38

Finding the Fourth Proportional to 258,856.95, 357,152.85 and 151,453.38

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Solution

The fourth proportional to 258,856.95, 357,152.85 and 151,453.38 is: 208,964.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,856.95 : 357,152.85 = 151,453.38 : x
  2. Step 2: Convert to fraction form
    258,856.95/357,152.85 = 151,453.38/x
  3. Step 3: Cross multiply
    258,856.95x = 357,152.85 × 151,453.38
  4. Step 4: Simplify right side
    258,856.95x = 54,092,006,309.13
  5. Step 5: Solve for x
    x = 54,092,006,309.13/258,856.95
  6. Step 6: Final answer
    x = 208,964.86

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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.