Home / 872,152.11-1,308,228.15-273,160.14

Finding the Fourth Proportional to 872,152.11, 1,308,228.15 and 273,160.14

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Solution

The fourth proportional to 872,152.11, 1,308,228.15 and 273,160.14 is: 409,740.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,152.11 : 1,308,228.15 = 273,160.14 : x
  2. Step 2: Convert to fraction form
    872,152.11/1,308,228.15 = 273,160.14/x
  3. Step 3: Cross multiply
    872,152.11x = 1,308,228.15 × 273,160.14
  4. Step 4: Simplify right side
    872,152.11x = 357,355,784,605.94
  5. Step 5: Solve for x
    x = 357,355,784,605.94/872,152.11
  6. Step 6: Final answer
    x = 409,740.21

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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.