Home / 319,838.16-479,603.88-151,217.76

Finding the Fourth Proportional to 319,838.16, 479,603.88 and 151,217.76

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Solution

The fourth proportional to 319,838.16, 479,603.88 and 151,217.76 is: 226,754.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,838.16 : 479,603.88 = 151,217.76 : x
  2. Step 2: Convert to fraction form
    319,838.16/479,603.88 = 151,217.76/x
  3. Step 3: Cross multiply
    319,838.16x = 479,603.88 × 151,217.76
  4. Step 4: Simplify right side
    319,838.16x = 72,524,624,420.91
  5. Step 5: Solve for x
    x = 72,524,624,420.91/319,838.16
  6. Step 6: Final answer
    x = 226,754.13

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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.