Home / 496,837.40-745,296.60-212,530.10

Finding the Fourth Proportional to 496,837.40, 745,296.60 and 212,530.10

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Solution

The fourth proportional to 496,837.40, 745,296.60 and 212,530.10 is: 318,812.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,837.40 : 745,296.60 = 212,530.10 : x
  2. Step 2: Convert to fraction form
    496,837.40/745,296.60 = 212,530.10/x
  3. Step 3: Cross multiply
    496,837.40x = 745,296.60 × 212,530.10
  4. Step 4: Simplify right side
    496,837.40x = 158,397,960,927.66
  5. Step 5: Solve for x
    x = 158,397,960,927.66/496,837.40
  6. Step 6: Final answer
    x = 318,812.47

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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.