Home / 225,943.02-312,125.81-180,561.56

Finding the Fourth Proportional to 225,943.02, 312,125.81 and 180,561.56

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Solution

The fourth proportional to 225,943.02, 312,125.81 and 180,561.56 is: 249,434.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,943.02 : 312,125.81 = 180,561.56 : x
  2. Step 2: Convert to fraction form
    225,943.02/312,125.81 = 180,561.56/x
  3. Step 3: Cross multiply
    225,943.02x = 312,125.81 × 180,561.56
  4. Step 4: Simplify right side
    225,943.02x = 56,357,920,706.43
  5. Step 5: Solve for x
    x = 56,357,920,706.43/225,943.02
  6. Step 6: Final answer
    x = 249,434.22

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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.