Home / 209,199.28-288,697.95-113,705.98

Finding the Fourth Proportional to 209,199.28, 288,697.95 and 113,705.98

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Solution

The fourth proportional to 209,199.28, 288,697.95 and 113,705.98 is: 156,915.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,199.28 : 288,697.95 = 113,705.98 : x
  2. Step 2: Convert to fraction form
    209,199.28/288,697.95 = 113,705.98/x
  3. Step 3: Cross multiply
    209,199.28x = 288,697.95 × 113,705.98
  4. Step 4: Simplify right side
    209,199.28x = 32,826,683,328.74
  5. Step 5: Solve for x
    x = 32,826,683,328.74/209,199.28
  6. Step 6: Final answer
    x = 156,915.85

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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.