Home / 371,461.15-557,185.24-90,980.83

Finding the Fourth Proportional to 371,461.15, 557,185.24 and 90,980.83

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Solution

The fourth proportional to 371,461.15, 557,185.24 and 90,980.83 is: 136,469.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,461.15 : 557,185.24 = 90,980.83 : x
  2. Step 2: Convert to fraction form
    371,461.15/557,185.24 = 90,980.83/x
  3. Step 3: Cross multiply
    371,461.15x = 557,185.24 × 90,980.83
  4. Step 4: Simplify right side
    371,461.15x = 50,693,175,598.95
  5. Step 5: Solve for x
    x = 50,693,175,598.95/371,461.15
  6. Step 6: Final answer
    x = 136,469.66

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1.5x scale

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.