Home / 331,421.81-457,216.58-223,952.63

Finding the Fourth Proportional to 331,421.81, 457,216.58 and 223,952.63

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Solution

The fourth proportional to 331,421.81, 457,216.58 and 223,952.63 is: 308,956.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,421.81 : 457,216.58 = 223,952.63 : x
  2. Step 2: Convert to fraction form
    331,421.81/457,216.58 = 223,952.63/x
  3. Step 3: Cross multiply
    331,421.81x = 457,216.58 × 223,952.63
  4. Step 4: Simplify right side
    331,421.81x = 102,394,853,844.40
  5. Step 5: Solve for x
    x = 102,394,853,844.40/331,421.81
  6. Step 6: Final answer
    x = 308,956.30

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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.