Home / 281,730.58-388,789.40-152,669.33

Finding the Fourth Proportional to 281,730.58, 388,789.40 and 152,669.33

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Solution

The fourth proportional to 281,730.58, 388,789.40 and 152,669.33 is: 210,684.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,730.58 : 388,789.40 = 152,669.33 : x
  2. Step 2: Convert to fraction form
    281,730.58/388,789.40 = 152,669.33/x
  3. Step 3: Cross multiply
    281,730.58x = 388,789.40 × 152,669.33
  4. Step 4: Simplify right side
    281,730.58x = 59,356,216,445.76
  5. Step 5: Solve for x
    x = 59,356,216,445.76/281,730.58
  6. Step 6: Final answer
    x = 210,684.33

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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.