Home / 375,341.20-518,008.10-214,220.66

Finding the Fourth Proportional to 375,341.20, 518,008.10 and 214,220.66

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Solution

The fourth proportional to 375,341.20, 518,008.10 and 214,220.66 is: 295,645.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,341.20 : 518,008.10 = 214,220.66 : x
  2. Step 2: Convert to fraction form
    375,341.20/518,008.10 = 214,220.66/x
  3. Step 3: Cross multiply
    375,341.20x = 518,008.10 × 214,220.66
  4. Step 4: Simplify right side
    375,341.20x = 110,968,033,406.20
  5. Step 5: Solve for x
    x = 110,968,033,406.20/375,341.20
  6. Step 6: Final answer
    x = 295,645.76

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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.