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Finding the Fourth Proportional to 405,437.52, 559,500.84 and 224,157.36

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Solution

The fourth proportional to 405,437.52, 559,500.84 and 224,157.36 is: 309,335.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,437.52 : 559,500.84 = 224,157.36 : x
  2. Step 2: Convert to fraction form
    405,437.52/559,500.84 = 224,157.36/x
  3. Step 3: Cross multiply
    405,437.52x = 559,500.84 × 224,157.36
  4. Step 4: Simplify right side
    405,437.52x = 125,416,231,212.18
  5. Step 5: Solve for x
    x = 125,416,231,212.18/405,437.52
  6. Step 6: Final answer
    x = 309,335.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.