Home / 366,929.20-550,393.80-353,643.18

Finding the Fourth Proportional to 366,929.20, 550,393.80 and 353,643.18

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Solution

The fourth proportional to 366,929.20, 550,393.80 and 353,643.18 is: 530,464.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,929.20 : 550,393.80 = 353,643.18 : x
  2. Step 2: Convert to fraction form
    366,929.20/550,393.80 = 353,643.18/x
  3. Step 3: Cross multiply
    366,929.20x = 550,393.80 × 353,643.18
  4. Step 4: Simplify right side
    366,929.20x = 194,643,013,684.28
  5. Step 5: Solve for x
    x = 194,643,013,684.28/366,929.20
  6. Step 6: Final answer
    x = 530,464.77

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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.