Home / 346,040.12-477,568.76-210,042.72

Finding the Fourth Proportional to 346,040.12, 477,568.76 and 210,042.72

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Solution

The fourth proportional to 346,040.12, 477,568.76 and 210,042.72 is: 289,879.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,040.12 : 477,568.76 = 210,042.72 : x
  2. Step 2: Convert to fraction form
    346,040.12/477,568.76 = 210,042.72/x
  3. Step 3: Cross multiply
    346,040.12x = 477,568.76 × 210,042.72
  4. Step 4: Simplify right side
    346,040.12x = 100,309,841,337.43
  5. Step 5: Solve for x
    x = 100,309,841,337.43/346,040.12
  6. Step 6: Final answer
    x = 289,879.22

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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.