Home / 349,417.85-524,249.77-172,049.45

Finding the Fourth Proportional to 349,417.85, 524,249.77 and 172,049.45

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Solution

The fourth proportional to 349,417.85, 524,249.77 and 172,049.45 is: 258,134.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,417.85 : 524,249.77 = 172,049.45 : x
  2. Step 2: Convert to fraction form
    349,417.85/524,249.77 = 172,049.45/x
  3. Step 3: Cross multiply
    349,417.85x = 524,249.77 × 172,049.45
  4. Step 4: Simplify right side
    349,417.85x = 90,196,884,591.13
  5. Step 5: Solve for x
    x = 90,196,884,591.13/349,417.85
  6. Step 6: Final answer
    x = 258,134.74

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1.5x scale

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.