Home / 342,050.22-472,162.50-306,178.20

Finding the Fourth Proportional to 342,050.22, 472,162.50 and 306,178.20

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Solution

The fourth proportional to 342,050.22, 472,162.50 and 306,178.20 is: 422,645.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,050.22 : 472,162.50 = 306,178.20 : x
  2. Step 2: Convert to fraction form
    342,050.22/472,162.50 = 306,178.20/x
  3. Step 3: Cross multiply
    342,050.22x = 472,162.50 × 306,178.20
  4. Step 4: Simplify right side
    342,050.22x = 144,565,864,357.50
  5. Step 5: Solve for x
    x = 144,565,864,357.50/342,050.22
  6. Step 6: Final answer
    x = 422,645.14

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1.5x scale

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.