Home / 558,657.45-838,035.59-159,289.65

Finding the Fourth Proportional to 558,657.45, 838,035.59 and 159,289.65

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Solution

The fourth proportional to 558,657.45, 838,035.59 and 159,289.65 is: 238,948.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,657.45 : 838,035.59 = 159,289.65 : x
  2. Step 2: Convert to fraction form
    558,657.45/838,035.59 = 159,289.65/x
  3. Step 3: Cross multiply
    558,657.45x = 838,035.59 × 159,289.65
  4. Step 4: Simplify right side
    558,657.45x = 133,490,395,818.64
  5. Step 5: Solve for x
    x = 133,490,395,818.64/558,657.45
  6. Step 6: Final answer
    x = 238,948.56

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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.