Home / 342,826.02-473,043.51-215,410.86

Finding the Fourth Proportional to 342,826.02, 473,043.51 and 215,410.86

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Solution

The fourth proportional to 342,826.02, 473,043.51 and 215,410.86 is: 297,231.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,826.02 : 473,043.51 = 215,410.86 : x
  2. Step 2: Convert to fraction form
    342,826.02/473,043.51 = 215,410.86/x
  3. Step 3: Cross multiply
    342,826.02x = 473,043.51 × 215,410.86
  4. Step 4: Simplify right side
    342,826.02x = 101,898,709,306.52
  5. Step 5: Solve for x
    x = 101,898,709,306.52/342,826.02
  6. Step 6: Final answer
    x = 297,231.55

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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.