Home / 448,432.16-618,832.28-247,228.16

Finding the Fourth Proportional to 448,432.16, 618,832.28 and 247,228.16

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Solution

The fourth proportional to 448,432.16, 618,832.28 and 247,228.16 is: 341,172.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,432.16 : 618,832.28 = 247,228.16 : x
  2. Step 2: Convert to fraction form
    448,432.16/618,832.28 = 247,228.16/x
  3. Step 3: Cross multiply
    448,432.16x = 618,832.28 × 247,228.16
  4. Step 4: Simplify right side
    448,432.16x = 152,992,765,933.01
  5. Step 5: Solve for x
    x = 152,992,765,933.01/448,432.16
  6. Step 6: Final answer
    x = 341,172.60

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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.