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Finding the Fourth Proportional to 372,655.44, 558,810.72 and 119,888.88

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Solution

The fourth proportional to 372,655.44, 558,810.72 and 119,888.88 is: 179,777.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,655.44 : 558,810.72 = 119,888.88 : x
  2. Step 2: Convert to fraction form
    372,655.44/558,810.72 = 119,888.88/x
  3. Step 3: Cross multiply
    372,655.44x = 558,810.72 × 119,888.88
  4. Step 4: Simplify right side
    372,655.44x = 66,995,191,352.79
  5. Step 5: Solve for x
    x = 66,995,191,352.79/372,655.44
  6. Step 6: Final answer
    x = 179,777.84

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1.5x scale

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.