Home / 229,349.36-316,351.32-144,395.12

Finding the Fourth Proportional to 229,349.36, 316,351.32 and 144,395.12

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Solution

The fourth proportional to 229,349.36, 316,351.32 and 144,395.12 is: 199,170.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,349.36 : 316,351.32 = 144,395.12 : x
  2. Step 2: Convert to fraction form
    229,349.36/316,351.32 = 144,395.12/x
  3. Step 3: Cross multiply
    229,349.36x = 316,351.32 × 144,395.12
  4. Step 4: Simplify right side
    229,349.36x = 45,679,586,813.56
  5. Step 5: Solve for x
    x = 45,679,586,813.56/229,349.36
  6. Step 6: Final answer
    x = 199,170.33

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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.