Home / 208,948.55-288,350.08-113,455.22

Finding the Fourth Proportional to 208,948.55, 288,350.08 and 113,455.22

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Solution

The fourth proportional to 208,948.55, 288,350.08 and 113,455.22 is: 156,568.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,948.55 : 288,350.08 = 113,455.22 : x
  2. Step 2: Convert to fraction form
    208,948.55/288,350.08 = 113,455.22/x
  3. Step 3: Cross multiply
    208,948.55x = 288,350.08 × 113,455.22
  4. Step 4: Simplify right side
    208,948.55x = 32,714,820,038.03
  5. Step 5: Solve for x
    x = 32,714,820,038.03/208,948.55
  6. Step 6: Final answer
    x = 156,568.79

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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.