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Finding the Fourth Proportional to 450,894, 622,253.28 and 249,690

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Solution

The fourth proportional to 450,894, 622,253.28 and 249,690 is: 344,583.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,894 : 622,253.28 = 249,690 : x
  2. Step 2: Convert to fraction form
    450,894/622,253.28 = 249,690/x
  3. Step 3: Cross multiply
    450,894x = 622,253.28 × 249,690
  4. Step 4: Simplify right side
    450,894x = 155,370,421,483.20
  5. Step 5: Solve for x
    x = 155,370,421,483.20/450,894
  6. Step 6: Final answer
    x = 344,583.03

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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.