Home / 291,810.89-437,589.20-155,004.05

Finding the Fourth Proportional to 291,810.89, 437,589.20 and 155,004.05

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Solution

The fourth proportional to 291,810.89, 437,589.20 and 155,004.05 is: 232,438.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,810.89 : 437,589.20 = 155,004.05 : x
  2. Step 2: Convert to fraction form
    291,810.89/437,589.20 = 155,004.05/x
  3. Step 3: Cross multiply
    291,810.89x = 437,589.20 × 155,004.05
  4. Step 4: Simplify right side
    291,810.89x = 67,828,095,273.29
  5. Step 5: Solve for x
    x = 67,828,095,273.29/291,810.89
  6. Step 6: Final answer
    x = 232,438.54

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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.