Home / 445,834.20-615,132.18-264,395.28

Finding the Fourth Proportional to 445,834.20, 615,132.18 and 264,395.28

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Solution

The fourth proportional to 445,834.20, 615,132.18 and 264,395.28 is: 364,794.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,834.20 : 615,132.18 = 264,395.28 : x
  2. Step 2: Convert to fraction form
    445,834.20/615,132.18 = 264,395.28/x
  3. Step 3: Cross multiply
    445,834.20x = 615,132.18 × 264,395.28
  4. Step 4: Simplify right side
    445,834.20x = 162,638,044,968.11
  5. Step 5: Solve for x
    x = 162,638,044,968.11/445,834.20
  6. Step 6: Final answer
    x = 364,794.91

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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.