Home / 286,002.18-429,116.27-108,556.29

Finding the Fourth Proportional to 286,002.18, 429,116.27 and 108,556.29

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Solution

The fourth proportional to 286,002.18, 429,116.27 and 108,556.29 is: 162,877.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,002.18 : 429,116.27 = 108,556.29 : x
  2. Step 2: Convert to fraction form
    286,002.18/429,116.27 = 108,556.29/x
  3. Step 3: Cross multiply
    286,002.18x = 429,116.27 × 108,556.29
  4. Step 4: Simplify right side
    286,002.18x = 46,583,269,707.06
  5. Step 5: Solve for x
    x = 46,583,269,707.06/286,002.18
  6. Step 6: Final answer
    x = 162,877.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.