Home / 371,748.21-557,621.29-105,508.98

Finding the Fourth Proportional to 371,748.21, 557,621.29 and 105,508.98

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Solution

The fourth proportional to 371,748.21, 557,621.29 and 105,508.98 is: 158,263.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,748.21 : 557,621.29 = 105,508.98 : x
  2. Step 2: Convert to fraction form
    371,748.21/557,621.29 = 105,508.98/x
  3. Step 3: Cross multiply
    371,748.21x = 557,621.29 × 105,508.98
  4. Step 4: Simplify right side
    371,748.21x = 58,834,053,534.18
  5. Step 5: Solve for x
    x = 58,834,053,534.18/371,748.21
  6. Step 6: Final answer
    x = 158,263.18

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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.