Home / 229,440.06-316,742.40-143,446.82

Finding the Fourth Proportional to 229,440.06, 316,742.40 and 143,446.82

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Solution

The fourth proportional to 229,440.06, 316,742.40 and 143,446.82 is: 198,028.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,440.06 : 316,742.40 = 143,446.82 : x
  2. Step 2: Convert to fraction form
    229,440.06/316,742.40 = 143,446.82/x
  3. Step 3: Cross multiply
    229,440.06x = 316,742.40 × 143,446.82
  4. Step 4: Simplify right side
    229,440.06x = 45,435,688,455.46
  5. Step 5: Solve for x
    x = 45,435,688,455.46/229,440.06
  6. Step 6: Final answer
    x = 198,028.58

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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.