Home / 291,811.39-437,589.95-155,004.55

Finding the Fourth Proportional to 291,811.39, 437,589.95 and 155,004.55

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Solution

The fourth proportional to 291,811.39, 437,589.95 and 155,004.55 is: 232,439.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,811.39 : 437,589.95 = 155,004.55 : x
  2. Step 2: Convert to fraction form
    291,811.39/437,589.95 = 155,004.55/x
  3. Step 3: Cross multiply
    291,811.39x = 437,589.95 × 155,004.55
  4. Step 4: Simplify right side
    291,811.39x = 67,828,433,284.27
  5. Step 5: Solve for x
    x = 67,828,433,284.27/291,811.39
  6. Step 6: Final answer
    x = 232,439.29

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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.