Home / 280,088.50-386,844.57-203,948.02

Finding the Fourth Proportional to 280,088.50, 386,844.57 and 203,948.02

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Solution

The fourth proportional to 280,088.50, 386,844.57 and 203,948.02 is: 281,683.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,088.50 : 386,844.57 = 203,948.02 : x
  2. Step 2: Convert to fraction form
    280,088.50/386,844.57 = 203,948.02/x
  3. Step 3: Cross multiply
    280,088.50x = 386,844.57 × 203,948.02
  4. Step 4: Simplify right side
    280,088.50x = 78,896,184,099.25
  5. Step 5: Solve for x
    x = 78,896,184,099.25/280,088.50
  6. Step 6: Final answer
    x = 281,683.05

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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.