Home / 558,820.78-838,238.86-159,461.43

Finding the Fourth Proportional to 558,820.78, 838,238.86 and 159,461.43

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Solution

The fourth proportional to 558,820.78, 838,238.86 and 159,461.43 is: 239,194.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,820.78 : 838,238.86 = 159,461.43 : x
  2. Step 2: Convert to fraction form
    558,820.78/838,238.86 = 159,461.43/x
  3. Step 3: Cross multiply
    558,820.78x = 838,238.86 × 159,461.43
  4. Step 4: Simplify right side
    558,820.78x = 133,666,767,297.17
  5. Step 5: Solve for x
    x = 133,666,767,297.17/558,820.78
  6. Step 6: Final answer
    x = 239,194.34

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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.