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Finding the Fourth Proportional to 281,304.66, 388,166.34 and 224,089.74

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Solution

The fourth proportional to 281,304.66, 388,166.34 and 224,089.74 is: 309,216.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,304.66 : 388,166.34 = 224,089.74 : x
  2. Step 2: Convert to fraction form
    281,304.66/388,166.34 = 224,089.74/x
  3. Step 3: Cross multiply
    281,304.66x = 388,166.34 × 224,089.74
  4. Step 4: Simplify right side
    281,304.66x = 86,984,094,207.35
  5. Step 5: Solve for x
    x = 86,984,094,207.35/281,304.66
  6. Step 6: Final answer
    x = 309,216.68

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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.