Home / 380,139.03-524,463.73-218,989.94

Finding the Fourth Proportional to 380,139.03, 524,463.73 and 218,989.94

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Solution

The fourth proportional to 380,139.03, 524,463.73 and 218,989.94 is: 302,132.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,139.03 : 524,463.73 = 218,989.94 : x
  2. Step 2: Convert to fraction form
    380,139.03/524,463.73 = 218,989.94/x
  3. Step 3: Cross multiply
    380,139.03x = 524,463.73 × 218,989.94
  4. Step 4: Simplify right side
    380,139.03x = 114,852,277,595.08
  5. Step 5: Solve for x
    x = 114,852,277,595.08/380,139.03
  6. Step 6: Final answer
    x = 302,132.30

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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.