Home / 497,384.62-745,448.77-212,736.85

Finding the Fourth Proportional to 497,384.62, 745,448.77 and 212,736.85

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Solution

The fourth proportional to 497,384.62, 745,448.77 and 212,736.85 is: 318,836.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,384.62 : 745,448.77 = 212,736.85 : x
  2. Step 2: Convert to fraction form
    497,384.62/745,448.77 = 212,736.85/x
  3. Step 3: Cross multiply
    497,384.62x = 745,448.77 × 212,736.85
  4. Step 4: Simplify right side
    497,384.62x = 158,584,423,166.18
  5. Step 5: Solve for x
    x = 158,584,423,166.18/497,384.62
  6. Step 6: Final answer
    x = 318,836.60

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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.