Home / 578,023.20-867,069-223,039.08

Finding the Fourth Proportional to 578,023.20, 867,069 and 223,039.08

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Solution

The fourth proportional to 578,023.20, 867,069 and 223,039.08 is: 334,571.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,023.20 : 867,069 = 223,039.08 : x
  2. Step 2: Convert to fraction form
    578,023.20/867,069 = 223,039.08/x
  3. Step 3: Cross multiply
    578,023.20x = 867,069 × 223,039.08
  4. Step 4: Simplify right side
    578,023.20x = 193,390,272,056.52
  5. Step 5: Solve for x
    x = 193,390,272,056.52/578,023.20
  6. Step 6: Final answer
    x = 334,571.82

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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.