Home / 260,283.43-390,159.26-147,725.83

Finding the Fourth Proportional to 260,283.43, 390,159.26 and 147,725.83

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Solution

The fourth proportional to 260,283.43, 390,159.26 and 147,725.83 is: 221,437.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,283.43 : 390,159.26 = 147,725.83 : x
  2. Step 2: Convert to fraction form
    260,283.43/390,159.26 = 147,725.83/x
  3. Step 3: Cross multiply
    260,283.43x = 390,159.26 × 147,725.83
  4. Step 4: Simplify right side
    260,283.43x = 57,636,600,515.69
  5. Step 5: Solve for x
    x = 57,636,600,515.69/260,283.43
  6. Step 6: Final answer
    x = 221,437.84

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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.