Home / 380,112.14-524,548.06-218,966.69

Finding the Fourth Proportional to 380,112.14, 524,548.06 and 218,966.69

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Solution

The fourth proportional to 380,112.14, 524,548.06 and 218,966.69 is: 302,170.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,112.14 : 524,548.06 = 218,966.69 : x
  2. Step 2: Convert to fraction form
    380,112.14/524,548.06 = 218,966.69/x
  3. Step 3: Cross multiply
    380,112.14x = 524,548.06 × 218,966.69
  4. Step 4: Simplify right side
    380,112.14x = 114,858,551,349.29
  5. Step 5: Solve for x
    x = 114,858,551,349.29/380,112.14
  6. Step 6: Final answer
    x = 302,170.17

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1.5x scale

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.