Home / 347,342.12-521,007.50-110,681.60

Finding the Fourth Proportional to 347,342.12, 521,007.50 and 110,681.60

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Solution

The fourth proportional to 347,342.12, 521,007.50 and 110,681.60 is: 166,020.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,342.12 : 521,007.50 = 110,681.60 : x
  2. Step 2: Convert to fraction form
    347,342.12/521,007.50 = 110,681.60/x
  3. Step 3: Cross multiply
    347,342.12x = 521,007.50 × 110,681.60
  4. Step 4: Simplify right side
    347,342.12x = 57,665,943,712
  5. Step 5: Solve for x
    x = 57,665,943,712/347,342.12
  6. Step 6: Final answer
    x = 166,020.59

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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.