Home / 223,089.20-334,633.80-213,412.40

Finding the Fourth Proportional to 223,089.20, 334,633.80 and 213,412.40

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Solution

The fourth proportional to 223,089.20, 334,633.80 and 213,412.40 is: 320,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,089.20 : 334,633.80 = 213,412.40 : x
  2. Step 2: Convert to fraction form
    223,089.20/334,633.80 = 213,412.40/x
  3. Step 3: Cross multiply
    223,089.20x = 334,633.80 × 213,412.40
  4. Step 4: Simplify right side
    223,089.20x = 71,415,002,379.12
  5. Step 5: Solve for x
    x = 71,415,002,379.12/223,089.20
  6. Step 6: Final answer
    x = 320,118.60

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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.