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Finding the Fourth Proportional to 302,756.40, 454,339.40 and 169,636.40

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Solution

The fourth proportional to 302,756.40, 454,339.40 and 169,636.40 is: 254,569.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,756.40 : 454,339.40 = 169,636.40 : x
  2. Step 2: Convert to fraction form
    302,756.40/454,339.40 = 169,636.40/x
  3. Step 3: Cross multiply
    302,756.40x = 454,339.40 × 169,636.40
  4. Step 4: Simplify right side
    302,756.40x = 77,072,500,194.16
  5. Step 5: Solve for x
    x = 77,072,500,194.16/302,756.40
  6. Step 6: Final answer
    x = 254,569.35

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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.