Home / 201,623.46-302,438.16-51,860.40

Finding the Fourth Proportional to 201,623.46, 302,438.16 and 51,860.40

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Solution

The fourth proportional to 201,623.46, 302,438.16 and 51,860.40 is: 77,791.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,623.46 : 302,438.16 = 51,860.40 : x
  2. Step 2: Convert to fraction form
    201,623.46/302,438.16 = 51,860.40/x
  3. Step 3: Cross multiply
    201,623.46x = 302,438.16 × 51,860.40
  4. Step 4: Simplify right side
    201,623.46x = 15,684,563,952.86
  5. Step 5: Solve for x
    x = 15,684,563,952.86/201,623.46
  6. Step 6: Final answer
    x = 77,791.36

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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.