Home / 223,623.40-334,851.90-213,125.80

Finding the Fourth Proportional to 223,623.40, 334,851.90 and 213,125.80

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Solution

The fourth proportional to 223,623.40, 334,851.90 and 213,125.80 is: 319,132.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,623.40 : 334,851.90 = 213,125.80 : x
  2. Step 2: Convert to fraction form
    223,623.40/334,851.90 = 213,125.80/x
  3. Step 3: Cross multiply
    223,623.40x = 334,851.90 × 213,125.80
  4. Step 4: Simplify right side
    223,623.40x = 71,365,579,069.02
  5. Step 5: Solve for x
    x = 71,365,579,069.02/223,623.40
  6. Step 6: Final answer
    x = 319,132.88

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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.