Home / 315,134.14-434,891.02-171,899.30

Finding the Fourth Proportional to 315,134.14, 434,891.02 and 171,899.30

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Solution

The fourth proportional to 315,134.14, 434,891.02 and 171,899.30 is: 237,224.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,134.14 : 434,891.02 = 171,899.30 : x
  2. Step 2: Convert to fraction form
    315,134.14/434,891.02 = 171,899.30/x
  3. Step 3: Cross multiply
    315,134.14x = 434,891.02 × 171,899.30
  4. Step 4: Simplify right side
    315,134.14x = 74,757,461,914.29
  5. Step 5: Solve for x
    x = 74,757,461,914.29/315,134.14
  6. Step 6: Final answer
    x = 237,224.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.