Home / 389,582.20-584,373.30-223,233.40

Finding the Fourth Proportional to 389,582.20, 584,373.30 and 223,233.40

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Solution

The fourth proportional to 389,582.20, 584,373.30 and 223,233.40 is: 334,850.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,582.20 : 584,373.30 = 223,233.40 : x
  2. Step 2: Convert to fraction form
    389,582.20/584,373.30 = 223,233.40/x
  3. Step 3: Cross multiply
    389,582.20x = 584,373.30 × 223,233.40
  4. Step 4: Simplify right side
    389,582.20x = 130,451,638,628.22
  5. Step 5: Solve for x
    x = 130,451,638,628.22/389,582.20
  6. Step 6: Final answer
    x = 334,850.10

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