Home / 278,225.24-383,959.53-157,364.16

Finding the Fourth Proportional to 278,225.24, 383,959.53 and 157,364.16

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Solution

The fourth proportional to 278,225.24, 383,959.53 and 157,364.16 is: 217,167.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,225.24 : 383,959.53 = 157,364.16 : x
  2. Step 2: Convert to fraction form
    278,225.24/383,959.53 = 157,364.16/x
  3. Step 3: Cross multiply
    278,225.24x = 383,959.53 × 157,364.16
  4. Step 4: Simplify right side
    278,225.24x = 60,421,468,125.62
  5. Step 5: Solve for x
    x = 60,421,468,125.62/278,225.24
  6. Step 6: Final answer
    x = 217,167.46

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1.5x scale

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.