Home / 228,291.67-314,971.09-137,675.35

Finding the Fourth Proportional to 228,291.67, 314,971.09 and 137,675.35

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Solution

The fourth proportional to 228,291.67, 314,971.09 and 137,675.35 is: 189,948.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,291.67 : 314,971.09 = 137,675.35 : x
  2. Step 2: Convert to fraction form
    228,291.67/314,971.09 = 137,675.35/x
  3. Step 3: Cross multiply
    228,291.67x = 314,971.09 × 137,675.35
  4. Step 4: Simplify right side
    228,291.67x = 43,363,755,055.63
  5. Step 5: Solve for x
    x = 43,363,755,055.63/228,291.67
  6. Step 6: Final answer
    x = 189,948.92

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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.