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Finding the Fourth Proportional to 288,050.80, 432,076.20 and 254,225.20

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Solution

The fourth proportional to 288,050.80, 432,076.20 and 254,225.20 is: 381,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,050.80 : 432,076.20 = 254,225.20 : x
  2. Step 2: Convert to fraction form
    288,050.80/432,076.20 = 254,225.20/x
  3. Step 3: Cross multiply
    288,050.80x = 432,076.20 × 254,225.20
  4. Step 4: Simplify right side
    288,050.80x = 109,844,658,360.24
  5. Step 5: Solve for x
    x = 109,844,658,360.24/288,050.80
  6. Step 6: Final answer
    x = 381,337.80

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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.