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Finding the Fourth Proportional to 562,117.06, 843,507.78 and 207,380.26

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Solution

The fourth proportional to 562,117.06, 843,507.78 and 207,380.26 is: 311,192.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,117.06 : 843,507.78 = 207,380.26 : x
  2. Step 2: Convert to fraction form
    562,117.06/843,507.78 = 207,380.26/x
  3. Step 3: Cross multiply
    562,117.06x = 843,507.78 × 207,380.26
  4. Step 4: Simplify right side
    562,117.06x = 174,926,862,728.42
  5. Step 5: Solve for x
    x = 174,926,862,728.42/562,117.06
  6. Step 6: Final answer
    x = 311,192.94

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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.