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Finding the Fourth Proportional to 295,307.40, 441,794.70 and 256,297.80

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Solution

The fourth proportional to 295,307.40, 441,794.70 and 256,297.80 is: 383,434.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,307.40 : 441,794.70 = 256,297.80 : x
  2. Step 2: Convert to fraction form
    295,307.40/441,794.70 = 256,297.80/x
  3. Step 3: Cross multiply
    295,307.40x = 441,794.70 × 256,297.80
  4. Step 4: Simplify right side
    295,307.40x = 113,231,009,661.66
  5. Step 5: Solve for x
    x = 113,231,009,661.66/295,307.40
  6. Step 6: Final answer
    x = 383,434.38

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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.