Home / 477,298.30-715,947.16-140,341.75

Finding the Fourth Proportional to 477,298.30, 715,947.16 and 140,341.75

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Solution

The fourth proportional to 477,298.30, 715,947.16 and 140,341.75 is: 210,512.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,298.30 : 715,947.16 = 140,341.75 : x
  2. Step 2: Convert to fraction form
    477,298.30/715,947.16 = 140,341.75/x
  3. Step 3: Cross multiply
    477,298.30x = 715,947.16 × 140,341.75
  4. Step 4: Simplify right side
    477,298.30x = 100,477,277,341.93
  5. Step 5: Solve for x
    x = 100,477,277,341.93/477,298.30
  6. Step 6: Final answer
    x = 210,512.54

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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.