Home / 366,389.73-505,623.06-213,423.93

Finding the Fourth Proportional to 366,389.73, 505,623.06 and 213,423.93

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Solution

The fourth proportional to 366,389.73, 505,623.06 and 213,423.93 is: 294,528.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,389.73 : 505,623.06 = 213,423.93 : x
  2. Step 2: Convert to fraction form
    366,389.73/505,623.06 = 213,423.93/x
  3. Step 3: Cross multiply
    366,389.73x = 505,623.06 × 213,423.93
  4. Step 4: Simplify right side
    366,389.73x = 107,912,060,563.83
  5. Step 5: Solve for x
    x = 107,912,060,563.83/366,389.73
  6. Step 6: Final answer
    x = 294,528.07

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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.