Home / 229,113.40-343,670.10-225,614.20

Finding the Fourth Proportional to 229,113.40, 343,670.10 and 225,614.20

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Solution

The fourth proportional to 229,113.40, 343,670.10 and 225,614.20 is: 338,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,113.40 : 343,670.10 = 225,614.20 : x
  2. Step 2: Convert to fraction form
    229,113.40/343,670.10 = 225,614.20/x
  3. Step 3: Cross multiply
    229,113.40x = 343,670.10 × 225,614.20
  4. Step 4: Simplify right side
    229,113.40x = 77,536,854,675.42
  5. Step 5: Solve for x
    x = 77,536,854,675.42/229,113.40
  6. Step 6: Final answer
    x = 338,421.30

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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.