Home / 448,429.13-618,832.20-247,225.13

Finding the Fourth Proportional to 448,429.13, 618,832.20 and 247,225.13

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Solution

The fourth proportional to 448,429.13, 618,832.20 and 247,225.13 is: 341,170.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,429.13 : 618,832.20 = 247,225.13 : x
  2. Step 2: Convert to fraction form
    448,429.13/618,832.20 = 247,225.13/x
  3. Step 3: Cross multiply
    448,429.13x = 618,832.20 × 247,225.13
  4. Step 4: Simplify right side
    448,429.13x = 152,990,867,999.03
  5. Step 5: Solve for x
    x = 152,990,867,999.03/448,429.13
  6. Step 6: Final answer
    x = 341,170.68

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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.