Home / 282,786.52-424,374.20-105,435.40

Finding the Fourth Proportional to 282,786.52, 424,374.20 and 105,435.40

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Solution

The fourth proportional to 282,786.52, 424,374.20 and 105,435.40 is: 158,225.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,786.52 : 424,374.20 = 105,435.40 : x
  2. Step 2: Convert to fraction form
    282,786.52/424,374.20 = 105,435.40/x
  3. Step 3: Cross multiply
    282,786.52x = 424,374.20 × 105,435.40
  4. Step 4: Simplify right side
    282,786.52x = 44,744,063,526.68
  5. Step 5: Solve for x
    x = 44,744,063,526.68/282,786.52
  6. Step 6: Final answer
    x = 158,225.59

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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.