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Finding the Fourth Proportional to 468,637.84, 702,811.36 and 169,079.48

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Solution

The fourth proportional to 468,637.84, 702,811.36 and 169,079.48 is: 253,566.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,637.84 : 702,811.36 = 169,079.48 : x
  2. Step 2: Convert to fraction form
    468,637.84/702,811.36 = 169,079.48/x
  3. Step 3: Cross multiply
    468,637.84x = 702,811.36 × 169,079.48
  4. Step 4: Simplify right side
    468,637.84x = 118,830,979,286.89
  5. Step 5: Solve for x
    x = 118,830,979,286.89/468,637.84
  6. Step 6: Final answer
    x = 253,566.76

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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.