Home / 208,886.28-288,263.70-113,393.04

Finding the Fourth Proportional to 208,886.28, 288,263.70 and 113,393.04

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Solution

The fourth proportional to 208,886.28, 288,263.70 and 113,393.04 is: 156,482.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,886.28 : 288,263.70 = 113,393.04 : x
  2. Step 2: Convert to fraction form
    208,886.28/288,263.70 = 113,393.04/x
  3. Step 3: Cross multiply
    208,886.28x = 288,263.70 × 113,393.04
  4. Step 4: Simplify right side
    208,886.28x = 32,687,097,264.65
  5. Step 5: Solve for x
    x = 32,687,097,264.65/208,886.28
  6. Step 6: Final answer
    x = 156,482.74

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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.