Home / 448,341.20-618,710.28-247,137.20

Finding the Fourth Proportional to 448,341.20, 618,710.28 and 247,137.20

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Solution

The fourth proportional to 448,341.20, 618,710.28 and 247,137.20 is: 341,049.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,341.20 : 618,710.28 = 247,137.20 : x
  2. Step 2: Convert to fraction form
    448,341.20/618,710.28 = 247,137.20/x
  3. Step 3: Cross multiply
    448,341.20x = 618,710.28 × 247,137.20
  4. Step 4: Simplify right side
    448,341.20x = 152,906,326,210.42
  5. Step 5: Solve for x
    x = 152,906,326,210.42/448,341.20
  6. Step 6: Final answer
    x = 341,049.02

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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.