Home / 389,868.22-585,035.60-358,142.14

Finding the Fourth Proportional to 389,868.22, 585,035.60 and 358,142.14

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Solution

The fourth proportional to 389,868.22, 585,035.60 and 358,142.14 is: 537,427.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,868.22 : 585,035.60 = 358,142.14 : x
  2. Step 2: Convert to fraction form
    389,868.22/585,035.60 = 358,142.14/x
  3. Step 3: Cross multiply
    389,868.22x = 585,035.60 × 358,142.14
  4. Step 4: Simplify right side
    389,868.22x = 209,525,901,760.18
  5. Step 5: Solve for x
    x = 209,525,901,760.18/389,868.22
  6. Step 6: Final answer
    x = 537,427.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.