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Finding the Fourth Proportional to 216,508.06, 298,783.11 and 119,710.63

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Solution

The fourth proportional to 216,508.06, 298,783.11 and 119,710.63 is: 165,201.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,508.06 : 298,783.11 = 119,710.63 : x
  2. Step 2: Convert to fraction form
    216,508.06/298,783.11 = 119,710.63/x
  3. Step 3: Cross multiply
    216,508.06x = 298,783.11 × 119,710.63
  4. Step 4: Simplify right side
    216,508.06x = 35,767,514,331.46
  5. Step 5: Solve for x
    x = 35,767,514,331.46/216,508.06
  6. Step 6: Final answer
    x = 165,201.77

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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.