Home / 272,973.33-409,690.04-115,314.93

Finding the Fourth Proportional to 272,973.33, 409,690.04 and 115,314.93

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Solution

The fourth proportional to 272,973.33, 409,690.04 and 115,314.93 is: 173,069.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,973.33 : 409,690.04 = 115,314.93 : x
  2. Step 2: Convert to fraction form
    272,973.33/409,690.04 = 115,314.93/x
  3. Step 3: Cross multiply
    272,973.33x = 409,690.04 × 115,314.93
  4. Step 4: Simplify right side
    272,973.33x = 47,243,377,707.72
  5. Step 5: Solve for x
    x = 47,243,377,707.72/272,973.33
  6. Step 6: Final answer
    x = 173,069.57

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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.