Home / 558,020.60-837,225.30-242,703.80

Finding the Fourth Proportional to 558,020.60, 837,225.30 and 242,703.80

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Solution

The fourth proportional to 558,020.60, 837,225.30 and 242,703.80 is: 364,140.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,020.60 : 837,225.30 = 242,703.80 : x
  2. Step 2: Convert to fraction form
    558,020.60/837,225.30 = 242,703.80/x
  3. Step 3: Cross multiply
    558,020.60x = 837,225.30 × 242,703.80
  4. Step 4: Simplify right side
    558,020.60x = 203,197,761,766.14
  5. Step 5: Solve for x
    x = 203,197,761,766.14/558,020.60
  6. Step 6: Final answer
    x = 364,140.25

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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.