Home / 372,000.30-558,000.45-222,701.10

Finding the Fourth Proportional to 372,000.30, 558,000.45 and 222,701.10

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Solution

The fourth proportional to 372,000.30, 558,000.45 and 222,701.10 is: 334,051.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,000.30 : 558,000.45 = 222,701.10 : x
  2. Step 2: Convert to fraction form
    372,000.30/558,000.45 = 222,701.10/x
  3. Step 3: Cross multiply
    372,000.30x = 558,000.45 × 222,701.10
  4. Step 4: Simplify right side
    372,000.30x = 124,267,314,015.50
  5. Step 5: Solve for x
    x = 124,267,314,015.50/372,000.30
  6. Step 6: Final answer
    x = 334,051.65

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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.