Home / 249,485.06-374,286.83-81,005.87

Finding the Fourth Proportional to 249,485.06, 374,286.83 and 81,005.87

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Solution

The fourth proportional to 249,485.06, 374,286.83 and 81,005.87 is: 121,528.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,485.06 : 374,286.83 = 81,005.87 : x
  2. Step 2: Convert to fraction form
    249,485.06/374,286.83 = 81,005.87/x
  3. Step 3: Cross multiply
    249,485.06x = 374,286.83 × 81,005.87
  4. Step 4: Simplify right side
    249,485.06x = 30,319,430,824.38
  5. Step 5: Solve for x
    x = 30,319,430,824.38/249,485.06
  6. Step 6: Final answer
    x = 121,528.04

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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.