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Finding the Fourth Proportional to 283,554.58, 424,631.57 and 211,334.33

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Solution

The fourth proportional to 283,554.58, 424,631.57 and 211,334.33 is: 316,479.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,554.58 : 424,631.57 = 211,334.33 : x
  2. Step 2: Convert to fraction form
    283,554.58/424,631.57 = 211,334.33/x
  3. Step 3: Cross multiply
    283,554.58x = 424,631.57 × 211,334.33
  4. Step 4: Simplify right side
    283,554.58x = 89,739,228,347.71
  5. Step 5: Solve for x
    x = 89,739,228,347.71/283,554.58
  6. Step 6: Final answer
    x = 316,479.56

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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.