Home / 448,219.61-618,543.04-247,015.61

Finding the Fourth Proportional to 448,219.61, 618,543.04 and 247,015.61

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Solution

The fourth proportional to 448,219.61, 618,543.04 and 247,015.61 is: 340,881.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,219.61 : 618,543.04 = 247,015.61 : x
  2. Step 2: Convert to fraction form
    448,219.61/618,543.04 = 247,015.61/x
  3. Step 3: Cross multiply
    448,219.61x = 618,543.04 × 247,015.61
  4. Step 4: Simplify right side
    448,219.61x = 152,789,786,336.85
  5. Step 5: Solve for x
    x = 152,789,786,336.85/448,219.61
  6. Step 6: Final answer
    x = 340,881.53

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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.