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Finding the Fourth Proportional to 313,053, 469,653.22 and 249,252.45

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Solution

The fourth proportional to 313,053, 469,653.22 and 249,252.45 is: 373,937.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,053 : 469,653.22 = 249,252.45 : x
  2. Step 2: Convert to fraction form
    313,053/469,653.22 = 249,252.45/x
  3. Step 3: Cross multiply
    313,053x = 469,653.22 × 249,252.45
  4. Step 4: Simplify right side
    313,053x = 117,062,214,489.13
  5. Step 5: Solve for x
    x = 117,062,214,489.13/313,053
  6. Step 6: Final answer
    x = 373,937.37

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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.