Home / 342,977.16-473,270.18-189,977.39

Finding the Fourth Proportional to 342,977.16, 473,270.18 and 189,977.39

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Solution

The fourth proportional to 342,977.16, 473,270.18 and 189,977.39 is: 262,147.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,977.16 : 473,270.18 = 189,977.39 : x
  2. Step 2: Convert to fraction form
    342,977.16/473,270.18 = 189,977.39/x
  3. Step 3: Cross multiply
    342,977.16x = 473,270.18 × 189,977.39
  4. Step 4: Simplify right side
    342,977.16x = 89,910,634,953.76
  5. Step 5: Solve for x
    x = 89,910,634,953.76/342,977.16
  6. Step 6: Final answer
    x = 262,147.59

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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.