Home / 371,780.49-557,669.59-105,541.19

Finding the Fourth Proportional to 371,780.49, 557,669.59 and 105,541.19

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Solution

The fourth proportional to 371,780.49, 557,669.59 and 105,541.19 is: 158,311.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,780.49 : 557,669.59 = 105,541.19 : x
  2. Step 2: Convert to fraction form
    371,780.49/557,669.59 = 105,541.19/x
  3. Step 3: Cross multiply
    371,780.49x = 557,669.59 × 105,541.19
  4. Step 4: Simplify right side
    371,780.49x = 58,857,109,103.21
  5. Step 5: Solve for x
    x = 58,857,109,103.21/371,780.49
  6. Step 6: Final answer
    x = 158,311.45

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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.