Home / 319,756.38-479,681.96-106,454.63

Finding the Fourth Proportional to 319,756.38, 479,681.96 and 106,454.63

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Solution

The fourth proportional to 319,756.38, 479,681.96 and 106,454.63 is: 159,697.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,756.38 : 479,681.96 = 106,454.63 : x
  2. Step 2: Convert to fraction form
    319,756.38/479,681.96 = 106,454.63/x
  3. Step 3: Cross multiply
    319,756.38x = 479,681.96 × 106,454.63
  4. Step 4: Simplify right side
    319,756.38x = 51,064,362,638.79
  5. Step 5: Solve for x
    x = 51,064,362,638.79/319,756.38
  6. Step 6: Final answer
    x = 159,697.71

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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.