Home / 400,933.52-601,315.63-238,899.40

Finding the Fourth Proportional to 400,933.52, 601,315.63 and 238,899.40

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Solution

The fourth proportional to 400,933.52, 601,315.63 and 238,899.40 is: 358,298.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,933.52 : 601,315.63 = 238,899.40 : x
  2. Step 2: Convert to fraction form
    400,933.52/601,315.63 = 238,899.40/x
  3. Step 3: Cross multiply
    400,933.52x = 601,315.63 × 238,899.40
  4. Step 4: Simplify right side
    400,933.52x = 143,653,943,217.62
  5. Step 5: Solve for x
    x = 143,653,943,217.62/400,933.52
  6. Step 6: Final answer
    x = 358,298.66

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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.