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Finding the Fourth Proportional to 219,054.34, 302,282.41 and 123,555.34

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Solution

The fourth proportional to 219,054.34, 302,282.41 and 123,555.34 is: 170,499.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,054.34 : 302,282.41 = 123,555.34 : x
  2. Step 2: Convert to fraction form
    219,054.34/302,282.41 = 123,555.34/x
  3. Step 3: Cross multiply
    219,054.34x = 302,282.41 × 123,555.34
  4. Step 4: Simplify right side
    219,054.34x = 37,348,605,943.57
  5. Step 5: Solve for x
    x = 37,348,605,943.57/219,054.34
  6. Step 6: Final answer
    x = 170,499.27

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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.