Home / 282,285.61-389,544.05-159,775.36

Finding the Fourth Proportional to 282,285.61, 389,544.05 and 159,775.36

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Solution

The fourth proportional to 282,285.61, 389,544.05 and 159,775.36 is: 220,484.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,285.61 : 389,544.05 = 159,775.36 : x
  2. Step 2: Convert to fraction form
    282,285.61/389,544.05 = 159,775.36/x
  3. Step 3: Cross multiply
    282,285.61x = 389,544.05 × 159,775.36
  4. Step 4: Simplify right side
    282,285.61x = 62,239,540,824.61
  5. Step 5: Solve for x
    x = 62,239,540,824.61/282,285.61
  6. Step 6: Final answer
    x = 220,484.28

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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.