Home / 228,231.36-315,045.72-204,315.12

Finding the Fourth Proportional to 228,231.36, 315,045.72 and 204,315.12

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Solution

The fourth proportional to 228,231.36, 315,045.72 and 204,315.12 is: 282,032.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,231.36 : 315,045.72 = 204,315.12 : x
  2. Step 2: Convert to fraction form
    228,231.36/315,045.72 = 204,315.12/x
  3. Step 3: Cross multiply
    228,231.36x = 315,045.72 × 204,315.12
  4. Step 4: Simplify right side
    228,231.36x = 64,368,604,087.29
  5. Step 5: Solve for x
    x = 64,368,604,087.29/228,231.36
  6. Step 6: Final answer
    x = 282,032.25

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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.