Home / 254,266.81-381,400.18-198,148.90

Finding the Fourth Proportional to 254,266.81, 381,400.18 and 198,148.90

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Solution

The fourth proportional to 254,266.81, 381,400.18 and 198,148.90 is: 297,223.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,266.81 : 381,400.18 = 198,148.90 : x
  2. Step 2: Convert to fraction form
    254,266.81/381,400.18 = 198,148.90/x
  3. Step 3: Cross multiply
    254,266.81x = 381,400.18 × 198,148.90
  4. Step 4: Simplify right side
    254,266.81x = 75,574,025,393.05
  5. Step 5: Solve for x
    x = 75,574,025,393.05/254,266.81
  6. Step 6: Final answer
    x = 297,223.32

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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.