Home / 374,443.20-516,821.40-213,337.80

Finding the Fourth Proportional to 374,443.20, 516,821.40 and 213,337.80

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Solution

The fourth proportional to 374,443.20, 516,821.40 and 213,337.80 is: 294,457.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,443.20 : 516,821.40 = 213,337.80 : x
  2. Step 2: Convert to fraction form
    374,443.20/516,821.40 = 213,337.80/x
  3. Step 3: Cross multiply
    374,443.20x = 516,821.40 × 213,337.80
  4. Step 4: Simplify right side
    374,443.20x = 110,257,540,468.92
  5. Step 5: Solve for x
    x = 110,257,540,468.92/374,443.20
  6. Step 6: Final answer
    x = 294,457.32

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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.