Home / 389,190.74-537,071.03-228,153.04

Finding the Fourth Proportional to 389,190.74, 537,071.03 and 228,153.04

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Solution

The fourth proportional to 389,190.74, 537,071.03 and 228,153.04 is: 314,844.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,190.74 : 537,071.03 = 228,153.04 : x
  2. Step 2: Convert to fraction form
    389,190.74/537,071.03 = 228,153.04/x
  3. Step 3: Cross multiply
    389,190.74x = 537,071.03 × 228,153.04
  4. Step 4: Simplify right side
    389,190.74x = 122,534,386,562.56
  5. Step 5: Solve for x
    x = 122,534,386,562.56/389,190.74
  6. Step 6: Final answer
    x = 314,844.05

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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.