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Finding the Fourth Proportional to 382,431.60, 573,647.40 and 294,130.80

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Solution

The fourth proportional to 382,431.60, 573,647.40 and 294,130.80 is: 441,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,431.60 : 573,647.40 = 294,130.80 : x
  2. Step 2: Convert to fraction form
    382,431.60/573,647.40 = 294,130.80/x
  3. Step 3: Cross multiply
    382,431.60x = 573,647.40 × 294,130.80
  4. Step 4: Simplify right side
    382,431.60x = 168,727,368,679.92
  5. Step 5: Solve for x
    x = 168,727,368,679.92/382,431.60
  6. Step 6: Final answer
    x = 441,196.20

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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.