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Finding the Fourth Proportional to 210,610.33, 290,628.81 and 119,964.65

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Solution

The fourth proportional to 210,610.33, 290,628.81 and 119,964.65 is: 165,543.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,610.33 : 290,628.81 = 119,964.65 : x
  2. Step 2: Convert to fraction form
    210,610.33/290,628.81 = 119,964.65/x
  3. Step 3: Cross multiply
    210,610.33x = 290,628.81 × 119,964.65
  4. Step 4: Simplify right side
    210,610.33x = 34,865,182,018.42
  5. Step 5: Solve for x
    x = 34,865,182,018.42/210,610.33
  6. Step 6: Final answer
    x = 165,543.55

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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.