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Finding the Fourth Proportional to 319,108.68, 440,361.30 and 175,868.67

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Solution

The fourth proportional to 319,108.68, 440,361.30 and 175,868.67 is: 242,693.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,108.68 : 440,361.30 = 175,868.67 : x
  2. Step 2: Convert to fraction form
    319,108.68/440,361.30 = 175,868.67/x
  3. Step 3: Cross multiply
    319,108.68x = 440,361.30 × 175,868.67
  4. Step 4: Simplify right side
    319,108.68x = 77,445,756,150.47
  5. Step 5: Solve for x
    x = 77,445,756,150.47/319,108.68
  6. Step 6: Final answer
    x = 242,693.98

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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.