Home / 249,905.80-374,858.70-72,418.60

Finding the Fourth Proportional to 249,905.80, 374,858.70 and 72,418.60

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Solution

The fourth proportional to 249,905.80, 374,858.70 and 72,418.60 is: 108,627.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,905.80 : 374,858.70 = 72,418.60 : x
  2. Step 2: Convert to fraction form
    249,905.80/374,858.70 = 72,418.60/x
  3. Step 3: Cross multiply
    249,905.80x = 374,858.70 × 72,418.60
  4. Step 4: Simplify right side
    249,905.80x = 27,146,742,251.82
  5. Step 5: Solve for x
    x = 27,146,742,251.82/249,905.80
  6. Step 6: Final answer
    x = 108,627.90

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1.5x scale

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.