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Finding the Fourth Proportional to 560,570.18, 840,355.27 and 205,501.30

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Solution

The fourth proportional to 560,570.18, 840,355.27 and 205,501.30 is: 308,068.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,570.18 : 840,355.27 = 205,501.30 : x
  2. Step 2: Convert to fraction form
    560,570.18/840,355.27 = 205,501.30/x
  3. Step 3: Cross multiply
    560,570.18x = 840,355.27 × 205,501.30
  4. Step 4: Simplify right side
    560,570.18x = 172,694,100,446.85
  5. Step 5: Solve for x
    x = 172,694,100,446.85/560,570.18
  6. Step 6: Final answer
    x = 308,068.65

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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.