Home / 307,041.06-423,710.28-171,074.46

Finding the Fourth Proportional to 307,041.06, 423,710.28 and 171,074.46

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Solution

The fourth proportional to 307,041.06, 423,710.28 and 171,074.46 is: 236,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,041.06 : 423,710.28 = 171,074.46 : x
  2. Step 2: Convert to fraction form
    307,041.06/423,710.28 = 171,074.46/x
  3. Step 3: Cross multiply
    307,041.06x = 423,710.28 × 171,074.46
  4. Step 4: Simplify right side
    307,041.06x = 72,486,007,347.45
  5. Step 5: Solve for x
    x = 72,486,007,347.45/307,041.06
  6. Step 6: Final answer
    x = 236,079.20

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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.