Home / 292,721.39-403,950.26-165,394.25

Finding the Fourth Proportional to 292,721.39, 403,950.26 and 165,394.25

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Solution

The fourth proportional to 292,721.39, 403,950.26 and 165,394.25 is: 228,241.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,721.39 : 403,950.26 = 165,394.25 : x
  2. Step 2: Convert to fraction form
    292,721.39/403,950.26 = 165,394.25/x
  3. Step 3: Cross multiply
    292,721.39x = 403,950.26 × 165,394.25
  4. Step 4: Simplify right side
    292,721.39x = 66,811,048,683.74
  5. Step 5: Solve for x
    x = 66,811,048,683.74/292,721.39
  6. Step 6: Final answer
    x = 228,241.09

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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.