Home / 315,945.03-473,917.53-105,582.96

Finding the Fourth Proportional to 315,945.03, 473,917.53 and 105,582.96

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Solution

The fourth proportional to 315,945.03, 473,917.53 and 105,582.96 is: 158,374.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,945.03 : 473,917.53 = 105,582.96 : x
  2. Step 2: Convert to fraction form
    315,945.03/473,917.53 = 105,582.96/x
  3. Step 3: Cross multiply
    315,945.03x = 473,917.53 × 105,582.96
  4. Step 4: Simplify right side
    315,945.03x = 50,037,615,613.29
  5. Step 5: Solve for x
    x = 50,037,615,613.29/315,945.03
  6. Step 6: Final answer
    x = 158,374.43

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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.