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Finding the Fourth Proportional to 560,561.17, 840,341.77 and 205,492.30

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Solution

The fourth proportional to 560,561.17, 840,341.77 and 205,492.30 is: 308,055.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,561.17 : 840,341.77 = 205,492.30 : x
  2. Step 2: Convert to fraction form
    560,561.17/840,341.77 = 205,492.30/x
  3. Step 3: Cross multiply
    560,561.17x = 840,341.77 × 205,492.30
  4. Step 4: Simplify right side
    560,561.17x = 172,683,763,103.37
  5. Step 5: Solve for x
    x = 172,683,763,103.37/560,561.17
  6. Step 6: Final answer
    x = 308,055.16

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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.