Home / 249,409.80-374,148.54-80,875.17

Finding the Fourth Proportional to 249,409.80, 374,148.54 and 80,875.17

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Solution

The fourth proportional to 249,409.80, 374,148.54 and 80,875.17 is: 121,323.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,409.80 : 374,148.54 = 80,875.17 : x
  2. Step 2: Convert to fraction form
    249,409.80/374,148.54 = 80,875.17/x
  3. Step 3: Cross multiply
    249,409.80x = 374,148.54 × 80,875.17
  4. Step 4: Simplify right side
    249,409.80x = 30,259,326,777.75
  5. Step 5: Solve for x
    x = 30,259,326,777.75/249,409.80
  6. Step 6: Final answer
    x = 121,323.73

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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.