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Finding the Fourth Proportional to 454,232.52, 626,702.12 and 263,209

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Solution

The fourth proportional to 454,232.52, 626,702.12 and 263,209 is: 363,148.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,232.52 : 626,702.12 = 263,209 : x
  2. Step 2: Convert to fraction form
    454,232.52/626,702.12 = 263,209/x
  3. Step 3: Cross multiply
    454,232.52x = 626,702.12 × 263,209
  4. Step 4: Simplify right side
    454,232.52x = 164,953,638,303.08
  5. Step 5: Solve for x
    x = 164,953,638,303.08/454,232.52
  6. Step 6: Final answer
    x = 363,148.02

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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.