Home / 243,199.09-335,518.27-162,498.79

Finding the Fourth Proportional to 243,199.09, 335,518.27 and 162,498.79

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Solution

The fourth proportional to 243,199.09, 335,518.27 and 162,498.79 is: 224,183.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,199.09 : 335,518.27 = 162,498.79 : x
  2. Step 2: Convert to fraction form
    243,199.09/335,518.27 = 162,498.79/x
  3. Step 3: Cross multiply
    243,199.09x = 335,518.27 × 162,498.79
  4. Step 4: Simplify right side
    243,199.09x = 54,521,312,897.89
  5. Step 5: Solve for x
    x = 54,521,312,897.89/243,199.09
  6. Step 6: Final answer
    x = 224,183.87

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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.