Home / 342,947.28-473,256.48-189,979.32

Finding the Fourth Proportional to 342,947.28, 473,256.48 and 189,979.32

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Solution

The fourth proportional to 342,947.28, 473,256.48 and 189,979.32 is: 262,165.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,947.28 : 473,256.48 = 189,979.32 : x
  2. Step 2: Convert to fraction form
    342,947.28/473,256.48 = 189,979.32/x
  3. Step 3: Cross multiply
    342,947.28x = 473,256.48 × 189,979.32
  4. Step 4: Simplify right side
    342,947.28x = 89,908,944,255.99
  5. Step 5: Solve for x
    x = 89,908,944,255.99/342,947.28
  6. Step 6: Final answer
    x = 262,165.50

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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.