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Finding the Fourth Proportional to 180,011.79, 270,017.69 and 55,352.79

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Solution

The fourth proportional to 180,011.79, 270,017.69 and 55,352.79 is: 83,029.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,011.79 : 270,017.69 = 55,352.79 : x
  2. Step 2: Convert to fraction form
    180,011.79/270,017.69 = 55,352.79/x
  3. Step 3: Cross multiply
    180,011.79x = 270,017.69 × 55,352.79
  4. Step 4: Simplify right side
    180,011.79x = 14,946,232,214.09
  5. Step 5: Solve for x
    x = 14,946,232,214.09/180,011.79
  6. Step 6: Final answer
    x = 83,029.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.