Home / 279,262.51-385,391.87-151,942.93

Finding the Fourth Proportional to 279,262.51, 385,391.87 and 151,942.93

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Solution

The fourth proportional to 279,262.51, 385,391.87 and 151,942.93 is: 209,686.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,262.51 : 385,391.87 = 151,942.93 : x
  2. Step 2: Convert to fraction form
    279,262.51/385,391.87 = 151,942.93/x
  3. Step 3: Cross multiply
    279,262.51x = 385,391.87 × 151,942.93
  4. Step 4: Simplify right side
    279,262.51x = 58,557,569,925.98
  5. Step 5: Solve for x
    x = 58,557,569,925.98/279,262.51
  6. Step 6: Final answer
    x = 209,686.47

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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.