Home / 366,639.48-550,484.10-272,161.08

Finding the Fourth Proportional to 366,639.48, 550,484.10 and 272,161.08

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Solution

The fourth proportional to 366,639.48, 550,484.10 and 272,161.08 is: 408,631.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,639.48 : 550,484.10 = 272,161.08 : x
  2. Step 2: Convert to fraction form
    366,639.48/550,484.10 = 272,161.08/x
  3. Step 3: Cross multiply
    366,639.48x = 550,484.10 × 272,161.08
  4. Step 4: Simplify right side
    366,639.48x = 149,820,347,178.83
  5. Step 5: Solve for x
    x = 149,820,347,178.83/366,639.48
  6. Step 6: Final answer
    x = 408,631.25

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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.