Home / 405,117.50-559,062.16-226,269.50

Finding the Fourth Proportional to 405,117.50, 559,062.16 and 226,269.50

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Solution

The fourth proportional to 405,117.50, 559,062.16 and 226,269.50 is: 312,251.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,117.50 : 559,062.16 = 226,269.50 : x
  2. Step 2: Convert to fraction form
    405,117.50/559,062.16 = 226,269.50/x
  3. Step 3: Cross multiply
    405,117.50x = 559,062.16 × 226,269.50
  4. Step 4: Simplify right side
    405,117.50x = 126,498,715,412.12
  5. Step 5: Solve for x
    x = 126,498,715,412.12/405,117.50
  6. Step 6: Final answer
    x = 312,251.92

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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.