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Finding the Fourth Proportional to 560,153.16, 840,023.88 and 200,226.89

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Solution

The fourth proportional to 560,153.16, 840,023.88 and 200,226.89 is: 300,266.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,153.16 : 840,023.88 = 200,226.89 : x
  2. Step 2: Convert to fraction form
    560,153.16/840,023.88 = 200,226.89/x
  3. Step 3: Cross multiply
    560,153.16x = 840,023.88 × 200,226.89
  4. Step 4: Simplify right side
    560,153.16x = 168,195,369,018.13
  5. Step 5: Solve for x
    x = 168,195,369,018.13/560,153.16
  6. Step 6: Final answer
    x = 300,266.75

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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.