Home / 209,040.47-288,476.12-113,547.18

Finding the Fourth Proportional to 209,040.47, 288,476.12 and 113,547.18

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Solution

The fourth proportional to 209,040.47, 288,476.12 and 113,547.18 is: 156,695.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,040.47 : 288,476.12 = 113,547.18 : x
  2. Step 2: Convert to fraction form
    209,040.47/288,476.12 = 113,547.18/x
  3. Step 3: Cross multiply
    209,040.47x = 288,476.12 × 113,547.18
  4. Step 4: Simplify right side
    209,040.47x = 32,755,650,207.21
  5. Step 5: Solve for x
    x = 32,755,650,207.21/209,040.47
  6. Step 6: Final answer
    x = 156,695.26

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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.