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Finding the Fourth Proportional to 452,871.84, 679,266 and 153,318.24

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Solution

The fourth proportional to 452,871.84, 679,266 and 153,318.24 is: 229,963.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,871.84 : 679,266 = 153,318.24 : x
  2. Step 2: Convert to fraction form
    452,871.84/679,266 = 153,318.24/x
  3. Step 3: Cross multiply
    452,871.84x = 679,266 × 153,318.24
  4. Step 4: Simplify right side
    452,871.84x = 104,143,867,611.84
  5. Step 5: Solve for x
    x = 104,143,867,611.84/452,871.84
  6. Step 6: Final answer
    x = 229,963.22

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1.5x scale

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.