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Finding the Fourth Proportional to 545,038.17, 817,599.02 and 165,991.17

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Solution

The fourth proportional to 545,038.17, 817,599.02 and 165,991.17 is: 248,999.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,038.17 : 817,599.02 = 165,991.17 : x
  2. Step 2: Convert to fraction form
    545,038.17/817,599.02 = 165,991.17/x
  3. Step 3: Cross multiply
    545,038.17x = 817,599.02 × 165,991.17
  4. Step 4: Simplify right side
    545,038.17x = 135,714,220,156.69
  5. Step 5: Solve for x
    x = 135,714,220,156.69/545,038.17
  6. Step 6: Final answer
    x = 248,999.48

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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.