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Finding the Fourth Proportional to 452,362.88, 677,510.72 and 215,871.60

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Solution

The fourth proportional to 452,362.88, 677,510.72 and 215,871.60 is: 323,314.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,362.88 : 677,510.72 = 215,871.60 : x
  2. Step 2: Convert to fraction form
    452,362.88/677,510.72 = 215,871.60/x
  3. Step 3: Cross multiply
    452,362.88x = 677,510.72 × 215,871.60
  4. Step 4: Simplify right side
    452,362.88x = 146,255,323,143.55
  5. Step 5: Solve for x
    x = 146,255,323,143.55/452,362.88
  6. Step 6: Final answer
    x = 323,314.16

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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.