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Finding the Fourth Proportional to 292,488.77, 403,609.46 and 168,313.77

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Solution

The fourth proportional to 292,488.77, 403,609.46 and 168,313.77 is: 232,258.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,488.77 : 403,609.46 = 168,313.77 : x
  2. Step 2: Convert to fraction form
    292,488.77/403,609.46 = 168,313.77/x
  3. Step 3: Cross multiply
    292,488.77x = 403,609.46 × 168,313.77
  4. Step 4: Simplify right side
    292,488.77x = 67,933,028,978.70
  5. Step 5: Solve for x
    x = 67,933,028,978.70/292,488.77
  6. Step 6: Final answer
    x = 232,258.59

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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.