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Finding the Fourth Proportional to 215,867.71, 297,897.72 and 119,069.39

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Solution

The fourth proportional to 215,867.71, 297,897.72 and 119,069.39 is: 164,315.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,867.71 : 297,897.72 = 119,069.39 : x
  2. Step 2: Convert to fraction form
    215,867.71/297,897.72 = 119,069.39/x
  3. Step 3: Cross multiply
    215,867.71x = 297,897.72 × 119,069.39
  4. Step 4: Simplify right side
    215,867.71x = 35,470,501,105.67
  5. Step 5: Solve for x
    x = 35,470,501,105.67/215,867.71
  6. Step 6: Final answer
    x = 164,315.92

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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.