Home / 371,343.12-557,017.72-105,112.40

Finding the Fourth Proportional to 371,343.12, 557,017.72 and 105,112.40

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Solution

The fourth proportional to 371,343.12, 557,017.72 and 105,112.40 is: 157,669.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,343.12 : 557,017.72 = 105,112.40 : x
  2. Step 2: Convert to fraction form
    371,343.12/557,017.72 = 105,112.40/x
  3. Step 3: Cross multiply
    371,343.12x = 557,017.72 × 105,112.40
  4. Step 4: Simplify right side
    371,343.12x = 58,549,469,391.73
  5. Step 5: Solve for x
    x = 58,549,469,391.73/371,343.12
  6. Step 6: Final answer
    x = 157,669.46

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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.