Home / 318,069.77-438,938.73-174,832.20

Finding the Fourth Proportional to 318,069.77, 438,938.73 and 174,832.20

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Solution

The fourth proportional to 318,069.77, 438,938.73 and 174,832.20 is: 241,269.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,069.77 : 438,938.73 = 174,832.20 : x
  2. Step 2: Convert to fraction form
    318,069.77/438,938.73 = 174,832.20/x
  3. Step 3: Cross multiply
    318,069.77x = 438,938.73 × 174,832.20
  4. Step 4: Simplify right side
    318,069.77x = 76,740,623,831.11
  5. Step 5: Solve for x
    x = 76,740,623,831.11/318,069.77
  6. Step 6: Final answer
    x = 241,269.79

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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.