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Finding the Fourth Proportional to 545,052.48, 817,586.01 and 171,075.48

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Solution

The fourth proportional to 545,052.48, 817,586.01 and 171,075.48 is: 256,615.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,052.48 : 817,586.01 = 171,075.48 : x
  2. Step 2: Convert to fraction form
    545,052.48/817,586.01 = 171,075.48/x
  3. Step 3: Cross multiply
    545,052.48x = 817,586.01 × 171,075.48
  4. Step 4: Simplify right side
    545,052.48x = 139,868,919,966.43
  5. Step 5: Solve for x
    x = 139,868,919,966.43/545,052.48
  6. Step 6: Final answer
    x = 256,615.51

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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.