Home / 280,673.26-387,219.14-173,056.46

Finding the Fourth Proportional to 280,673.26, 387,219.14 and 173,056.46

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Solution

The fourth proportional to 280,673.26, 387,219.14 and 173,056.46 is: 238,750.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,673.26 : 387,219.14 = 173,056.46 : x
  2. Step 2: Convert to fraction form
    280,673.26/387,219.14 = 173,056.46/x
  3. Step 3: Cross multiply
    280,673.26x = 387,219.14 × 173,056.46
  4. Step 4: Simplify right side
    280,673.26x = 67,010,773,612.64
  5. Step 5: Solve for x
    x = 67,010,773,612.64/280,673.26
  6. Step 6: Final answer
    x = 238,750.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.