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Finding the Fourth Proportional to 445,467.94, 614,835.12 and 264,280.48

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Solution

The fourth proportional to 445,467.94, 614,835.12 and 264,280.48 is: 364,760.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,467.94 : 614,835.12 = 264,280.48 : x
  2. Step 2: Convert to fraction form
    445,467.94/614,835.12 = 264,280.48/x
  3. Step 3: Cross multiply
    445,467.94x = 614,835.12 × 264,280.48
  4. Step 4: Simplify right side
    445,467.94x = 162,488,920,634.46
  5. Step 5: Solve for x
    x = 162,488,920,634.46/445,467.94
  6. Step 6: Final answer
    x = 364,760.08

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1.5x scale

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.