Home / 208,840.43-288,200.08-113,347.12

Finding the Fourth Proportional to 208,840.43, 288,200.08 and 113,347.12

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Solution

The fourth proportional to 208,840.43, 288,200.08 and 113,347.12 is: 156,419.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,840.43 : 288,200.08 = 113,347.12 : x
  2. Step 2: Convert to fraction form
    208,840.43/288,200.08 = 113,347.12/x
  3. Step 3: Cross multiply
    208,840.43x = 288,200.08 × 113,347.12
  4. Step 4: Simplify right side
    208,840.43x = 32,666,649,186.31
  5. Step 5: Solve for x
    x = 32,666,649,186.31/208,840.43
  6. Step 6: Final answer
    x = 156,419.18

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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.