Home / 349,400.13-524,223.21-172,031.70

Finding the Fourth Proportional to 349,400.13, 524,223.21 and 172,031.70

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Solution

The fourth proportional to 349,400.13, 524,223.21 and 172,031.70 is: 258,108.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,400.13 : 524,223.21 = 172,031.70 : x
  2. Step 2: Convert to fraction form
    349,400.13/524,223.21 = 172,031.70/x
  3. Step 3: Cross multiply
    349,400.13x = 524,223.21 × 172,031.70
  4. Step 4: Simplify right side
    349,400.13x = 90,183,009,995.76
  5. Step 5: Solve for x
    x = 90,183,009,995.76/349,400.13
  6. Step 6: Final answer
    x = 258,108.12

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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.