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Finding the Fourth Proportional to 221,366.04, 305,476.02 and 130,751.34

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Solution

The fourth proportional to 221,366.04, 305,476.02 and 130,751.34 is: 180,431.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,366.04 : 305,476.02 = 130,751.34 : x
  2. Step 2: Convert to fraction form
    221,366.04/305,476.02 = 130,751.34/x
  3. Step 3: Cross multiply
    221,366.04x = 305,476.02 × 130,751.34
  4. Step 4: Simplify right side
    221,366.04x = 39,941,398,952.87
  5. Step 5: Solve for x
    x = 39,941,398,952.87/221,366.04
  6. Step 6: Final answer
    x = 180,431.47

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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.