Home / 325,513.08-487,854.09-283,216.50

Finding the Fourth Proportional to 325,513.08, 487,854.09 and 283,216.50

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Solution

The fourth proportional to 325,513.08, 487,854.09 and 283,216.50 is: 424,463.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,513.08 : 487,854.09 = 283,216.50 : x
  2. Step 2: Convert to fraction form
    325,513.08/487,854.09 = 283,216.50/x
  3. Step 3: Cross multiply
    325,513.08x = 487,854.09 × 283,216.50
  4. Step 4: Simplify right side
    325,513.08x = 138,168,327,880.49
  5. Step 5: Solve for x
    x = 138,168,327,880.49/325,513.08
  6. Step 6: Final answer
    x = 424,463.21

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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.