Home / 313,136.12-469,113.66-242,670.98

Finding the Fourth Proportional to 313,136.12, 469,113.66 and 242,670.98

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Solution

The fourth proportional to 313,136.12, 469,113.66 and 242,670.98 is: 363,548.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,136.12 : 469,113.66 = 242,670.98 : x
  2. Step 2: Convert to fraction form
    313,136.12/469,113.66 = 242,670.98/x
  3. Step 3: Cross multiply
    313,136.12x = 469,113.66 × 242,670.98
  4. Step 4: Simplify right side
    313,136.12x = 113,840,271,603.59
  5. Step 5: Solve for x
    x = 113,840,271,603.59/313,136.12
  6. Step 6: Final answer
    x = 363,548.83

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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.