Home / 286,424.50-395,266.02-157,371.30

Finding the Fourth Proportional to 286,424.50, 395,266.02 and 157,371.30

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Solution

The fourth proportional to 286,424.50, 395,266.02 and 157,371.30 is: 217,172.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,424.50 : 395,266.02 = 157,371.30 : x
  2. Step 2: Convert to fraction form
    286,424.50/395,266.02 = 157,371.30/x
  3. Step 3: Cross multiply
    286,424.50x = 395,266.02 × 157,371.30
  4. Step 4: Simplify right side
    286,424.50x = 62,203,527,413.23
  5. Step 5: Solve for x
    x = 62,203,527,413.23/286,424.50
  6. Step 6: Final answer
    x = 217,172.51

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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.