Home / 356,074.04-491,421.40-227,017.22

Finding the Fourth Proportional to 356,074.04, 491,421.40 and 227,017.22

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Solution

The fourth proportional to 356,074.04, 491,421.40 and 227,017.22 is: 313,308.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,074.04 : 491,421.40 = 227,017.22 : x
  2. Step 2: Convert to fraction form
    356,074.04/491,421.40 = 227,017.22/x
  3. Step 3: Cross multiply
    356,074.04x = 491,421.40 × 227,017.22
  4. Step 4: Simplify right side
    356,074.04x = 111,561,117,051.86
  5. Step 5: Solve for x
    x = 111,561,117,051.86/356,074.04
  6. Step 6: Final answer
    x = 313,308.76

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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.