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Finding the Fourth Proportional to 560,561.66, 840,342.52 and 205,492.80

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Solution

The fourth proportional to 560,561.66, 840,342.52 and 205,492.80 is: 308,055.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,561.66 : 840,342.52 = 205,492.80 : x
  2. Step 2: Convert to fraction form
    560,561.66/840,342.52 = 205,492.80/x
  3. Step 3: Cross multiply
    560,561.66x = 840,342.52 × 205,492.80
  4. Step 4: Simplify right side
    560,561.66x = 172,684,337,393.86
  5. Step 5: Solve for x
    x = 172,684,337,393.86/560,561.66
  6. Step 6: Final answer
    x = 308,055.92

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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.