Home / 243,011.40-364,517.10-223,765.80

Finding the Fourth Proportional to 243,011.40, 364,517.10 and 223,765.80

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Solution

The fourth proportional to 243,011.40, 364,517.10 and 223,765.80 is: 335,648.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,011.40 : 364,517.10 = 223,765.80 : x
  2. Step 2: Convert to fraction form
    243,011.40/364,517.10 = 223,765.80/x
  3. Step 3: Cross multiply
    243,011.40x = 364,517.10 × 223,765.80
  4. Step 4: Simplify right side
    243,011.40x = 81,566,460,495.18
  5. Step 5: Solve for x
    x = 81,566,460,495.18/243,011.40
  6. Step 6: Final answer
    x = 335,648.70

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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.