Home / 319,721.76-479,898.72-169,962.48

Finding the Fourth Proportional to 319,721.76, 479,898.72 and 169,962.48

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Solution

The fourth proportional to 319,721.76, 479,898.72 and 169,962.48 is: 255,111.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,721.76 : 479,898.72 = 169,962.48 : x
  2. Step 2: Convert to fraction form
    319,721.76/479,898.72 = 169,962.48/x
  3. Step 3: Cross multiply
    319,721.76x = 479,898.72 × 169,962.48
  4. Step 4: Simplify right side
    319,721.76x = 81,564,776,600.03
  5. Step 5: Solve for x
    x = 81,564,776,600.03/319,721.76
  6. Step 6: Final answer
    x = 255,111.75

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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.