Home / 269,830.14-372,409.35-156,718.50

Finding the Fourth Proportional to 269,830.14, 372,409.35 and 156,718.50

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Solution

The fourth proportional to 269,830.14, 372,409.35 and 156,718.50 is: 216,296.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,830.14 : 372,409.35 = 156,718.50 : x
  2. Step 2: Convert to fraction form
    269,830.14/372,409.35 = 156,718.50/x
  3. Step 3: Cross multiply
    269,830.14x = 372,409.35 × 156,718.50
  4. Step 4: Simplify right side
    269,830.14x = 58,363,434,717.98
  5. Step 5: Solve for x
    x = 58,363,434,717.98/269,830.14
  6. Step 6: Final answer
    x = 216,296.94

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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.