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Finding the Fourth Proportional to 372,900.60, 559,022.85 and 223,200.45

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Solution

The fourth proportional to 372,900.60, 559,022.85 and 223,200.45 is: 334,604.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,900.60 : 559,022.85 = 223,200.45 : x
  2. Step 2: Convert to fraction form
    372,900.60/559,022.85 = 223,200.45/x
  3. Step 3: Cross multiply
    372,900.60x = 559,022.85 × 223,200.45
  4. Step 4: Simplify right side
    372,900.60x = 124,774,151,680.28
  5. Step 5: Solve for x
    x = 124,774,151,680.28/372,900.60
  6. Step 6: Final answer
    x = 334,604.32

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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.