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Finding the Fourth Proportional to 220,510.94, 330,349.04 and 130,283.82

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Solution

The fourth proportional to 220,510.94, 330,349.04 and 130,283.82 is: 195,179.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,510.94 : 330,349.04 = 130,283.82 : x
  2. Step 2: Convert to fraction form
    220,510.94/330,349.04 = 130,283.82/x
  3. Step 3: Cross multiply
    220,510.94x = 330,349.04 × 130,283.82
  4. Step 4: Simplify right side
    220,510.94x = 43,039,134,864.53
  5. Step 5: Solve for x
    x = 43,039,134,864.53/220,510.94
  6. Step 6: Final answer
    x = 195,179.14

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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.