Home / 371,555.96-557,224.52-105,339.72

Finding the Fourth Proportional to 371,555.96, 557,224.52 and 105,339.72

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Solution

The fourth proportional to 371,555.96, 557,224.52 and 105,339.72 is: 157,978.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,555.96 : 557,224.52 = 105,339.72 : x
  2. Step 2: Convert to fraction form
    371,555.96/557,224.52 = 105,339.72/x
  3. Step 3: Cross multiply
    371,555.96x = 557,224.52 × 105,339.72
  4. Step 4: Simplify right side
    371,555.96x = 58,697,874,913.93
  5. Step 5: Solve for x
    x = 58,697,874,913.93/371,555.96
  6. Step 6: Final answer
    x = 157,978.56

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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.