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Finding the Fourth Proportional to 225,026.32, 310,283.78 and 143,225.01

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Solution

The fourth proportional to 225,026.32, 310,283.78 and 143,225.01 is: 197,489.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,026.32 : 310,283.78 = 143,225.01 : x
  2. Step 2: Convert to fraction form
    225,026.32/310,283.78 = 143,225.01/x
  3. Step 3: Cross multiply
    225,026.32x = 310,283.78 × 143,225.01
  4. Step 4: Simplify right side
    225,026.32x = 44,440,397,582.85
  5. Step 5: Solve for x
    x = 44,440,397,582.85/225,026.32
  6. Step 6: Final answer
    x = 197,489.78

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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.