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Finding the Fourth Proportional to 453,074.22, 625,256.01 and 249,114.60

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Solution

The fourth proportional to 453,074.22, 625,256.01 and 249,114.60 is: 343,785.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,074.22 : 625,256.01 = 249,114.60 : x
  2. Step 2: Convert to fraction form
    453,074.22/625,256.01 = 249,114.60/x
  3. Step 3: Cross multiply
    453,074.22x = 625,256.01 × 249,114.60
  4. Step 4: Simplify right side
    453,074.22x = 155,760,400,828.75
  5. Step 5: Solve for x
    x = 155,760,400,828.75/453,074.22
  6. Step 6: Final answer
    x = 343,785.62

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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.