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Finding the Fourth Proportional to 371,335.77, 557,075.28 and 158,099.79

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Solution

The fourth proportional to 371,335.77, 557,075.28 and 158,099.79 is: 237,180.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,335.77 : 557,075.28 = 158,099.79 : x
  2. Step 2: Convert to fraction form
    371,335.77/557,075.28 = 158,099.79/x
  3. Step 3: Cross multiply
    371,335.77x = 557,075.28 × 158,099.79
  4. Step 4: Simplify right side
    371,335.77x = 88,073,484,782.19
  5. Step 5: Solve for x
    x = 88,073,484,782.19/371,335.77
  6. Step 6: Final answer
    x = 237,180.18

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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.