Home / 228,428.08-315,233.24-126,455.25

Finding the Fourth Proportional to 228,428.08, 315,233.24 and 126,455.25

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Solution

The fourth proportional to 228,428.08, 315,233.24 and 126,455.25 is: 174,509.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,428.08 : 315,233.24 = 126,455.25 : x
  2. Step 2: Convert to fraction form
    228,428.08/315,233.24 = 126,455.25/x
  3. Step 3: Cross multiply
    228,428.08x = 315,233.24 × 126,455.25
  4. Step 4: Simplify right side
    228,428.08x = 39,862,898,172.51
  5. Step 5: Solve for x
    x = 39,862,898,172.51/228,428.08
  6. Step 6: Final answer
    x = 174,509.62

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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.