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Finding the Fourth Proportional to 302,407.20, 452,954.70 and 249,919.20

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Solution

The fourth proportional to 302,407.20, 452,954.70 and 249,919.20 is: 374,336.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,407.20 : 452,954.70 = 249,919.20 : x
  2. Step 2: Convert to fraction form
    302,407.20/452,954.70 = 249,919.20/x
  3. Step 3: Cross multiply
    302,407.20x = 452,954.70 × 249,919.20
  4. Step 4: Simplify right side
    302,407.20x = 113,202,076,260.24
  5. Step 5: Solve for x
    x = 113,202,076,260.24/302,407.20
  6. Step 6: Final answer
    x = 374,336.58

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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.