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Finding the Fourth Proportional to 210,005.48, 289,797.04 and 119,349.48

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Solution

The fourth proportional to 210,005.48, 289,797.04 and 119,349.48 is: 164,696.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,005.48 : 289,797.04 = 119,349.48 : x
  2. Step 2: Convert to fraction form
    210,005.48/289,797.04 = 119,349.48/x
  3. Step 3: Cross multiply
    210,005.48x = 289,797.04 × 119,349.48
  4. Step 4: Simplify right side
    210,005.48x = 34,587,126,029.54
  5. Step 5: Solve for x
    x = 34,587,126,029.54/210,005.48
  6. Step 6: Final answer
    x = 164,696.30

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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.