Home / 208,856.40-288,220.84-113,362.28

Finding the Fourth Proportional to 208,856.40, 288,220.84 and 113,362.28

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Solution

The fourth proportional to 208,856.40, 288,220.84 and 113,362.28 is: 156,439.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,856.40 : 288,220.84 = 113,362.28 : x
  2. Step 2: Convert to fraction form
    208,856.40/288,220.84 = 113,362.28/x
  3. Step 3: Cross multiply
    208,856.40x = 288,220.84 × 113,362.28
  4. Step 4: Simplify right side
    208,856.40x = 32,673,371,565.92
  5. Step 5: Solve for x
    x = 32,673,371,565.92/208,856.40
  6. Step 6: Final answer
    x = 156,439.41

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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.