Home / 578,222.80-867,301.80-178,860.40

Finding the Fourth Proportional to 578,222.80, 867,301.80 and 178,860.40

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Solution

The fourth proportional to 578,222.80, 867,301.80 and 178,860.40 is: 268,280.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,222.80 : 867,301.80 = 178,860.40 : x
  2. Step 2: Convert to fraction form
    578,222.80/867,301.80 = 178,860.40/x
  3. Step 3: Cross multiply
    578,222.80x = 867,301.80 × 178,860.40
  4. Step 4: Simplify right side
    578,222.80x = 155,125,946,868.72
  5. Step 5: Solve for x
    x = 155,125,946,868.72/578,222.80
  6. Step 6: Final answer
    x = 268,280.58

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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.