Home / 342,929.40-473,236.37-189,967.12

Finding the Fourth Proportional to 342,929.40, 473,236.37 and 189,967.12

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Solution

The fourth proportional to 342,929.40, 473,236.37 and 189,967.12 is: 262,151.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,929.40 : 473,236.37 = 189,967.12 : x
  2. Step 2: Convert to fraction form
    342,929.40/473,236.37 = 189,967.12/x
  3. Step 3: Cross multiply
    342,929.40x = 473,236.37 × 189,967.12
  4. Step 4: Simplify right side
    342,929.40x = 89,899,350,288.15
  5. Step 5: Solve for x
    x = 89,899,350,288.15/342,929.40
  6. Step 6: Final answer
    x = 262,151.19

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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.