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Finding the Fourth Proportional to 544,750.72, 817,075.96 and 145,377.18

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Solution

The fourth proportional to 544,750.72, 817,075.96 and 145,377.18 is: 218,052.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,750.72 : 817,075.96 = 145,377.18 : x
  2. Step 2: Convert to fraction form
    544,750.72/817,075.96 = 145,377.18/x
  3. Step 3: Cross multiply
    544,750.72x = 817,075.96 × 145,377.18
  4. Step 4: Simplify right side
    544,750.72x = 118,784,198,547.15
  5. Step 5: Solve for x
    x = 118,784,198,547.15/544,750.72
  6. Step 6: Final answer
    x = 218,052.39

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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.