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Finding the Fourth Proportional to 443,482.90, 612,006.98 and 252,496.24

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Solution

The fourth proportional to 443,482.90, 612,006.98 and 252,496.24 is: 348,445.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,482.90 : 612,006.98 = 252,496.24 : x
  2. Step 2: Convert to fraction form
    443,482.90/612,006.98 = 252,496.24/x
  3. Step 3: Cross multiply
    443,482.90x = 612,006.98 × 252,496.24
  4. Step 4: Simplify right side
    443,482.90x = 154,529,458,511.26
  5. Step 5: Solve for x
    x = 154,529,458,511.26/443,482.90
  6. Step 6: Final answer
    x = 348,445.14

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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.