Home / 307,042.06-423,711.66-171,075.46

Finding the Fourth Proportional to 307,042.06, 423,711.66 and 171,075.46

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Solution

The fourth proportional to 307,042.06, 423,711.66 and 171,075.46 is: 236,080.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,042.06 : 423,711.66 = 171,075.46 : x
  2. Step 2: Convert to fraction form
    307,042.06/423,711.66 = 171,075.46/x
  3. Step 3: Cross multiply
    307,042.06x = 423,711.66 × 171,075.46
  4. Step 4: Simplify right side
    307,042.06x = 72,486,667,141.86
  5. Step 5: Solve for x
    x = 72,486,667,141.86/307,042.06
  6. Step 6: Final answer
    x = 236,080.58

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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.