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Finding the Fourth Proportional to 292,290.89, 403,362.57 and 158,154.89

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Solution

The fourth proportional to 292,290.89, 403,362.57 and 158,154.89 is: 218,254.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,290.89 : 403,362.57 = 158,154.89 : x
  2. Step 2: Convert to fraction form
    292,290.89/403,362.57 = 158,154.89/x
  3. Step 3: Cross multiply
    292,290.89x = 403,362.57 × 158,154.89
  4. Step 4: Simplify right side
    292,290.89x = 63,793,760,871.65
  5. Step 5: Solve for x
    x = 63,793,760,871.65/292,290.89
  6. Step 6: Final answer
    x = 218,254.36

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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.