Home / 272,176.02-408,258.27-145,859.22

Finding the Fourth Proportional to 272,176.02, 408,258.27 and 145,859.22

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Solution

The fourth proportional to 272,176.02, 408,258.27 and 145,859.22 is: 218,785.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,176.02 : 408,258.27 = 145,859.22 : x
  2. Step 2: Convert to fraction form
    272,176.02/408,258.27 = 145,859.22/x
  3. Step 3: Cross multiply
    272,176.02x = 408,258.27 × 145,859.22
  4. Step 4: Simplify right side
    272,176.02x = 59,548,232,820.75
  5. Step 5: Solve for x
    x = 59,548,232,820.75/272,176.02
  6. Step 6: Final answer
    x = 218,785.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.