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Finding the Fourth Proportional to 544,506.60, 816,798.80 and 145,145.28

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Solution

The fourth proportional to 544,506.60, 816,798.80 and 145,145.28 is: 217,728.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,506.60 : 816,798.80 = 145,145.28 : x
  2. Step 2: Convert to fraction form
    544,506.60/816,798.80 = 145,145.28/x
  3. Step 3: Cross multiply
    544,506.60x = 816,798.80 × 145,145.28
  4. Step 4: Simplify right side
    544,506.60x = 118,554,490,529.66
  5. Step 5: Solve for x
    x = 118,554,490,529.66/544,506.60
  6. Step 6: Final answer
    x = 217,728.29

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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.