Home / 343,036.11-514,507.46-90,295.43

Finding the Fourth Proportional to 343,036.11, 514,507.46 and 90,295.43

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Solution

The fourth proportional to 343,036.11, 514,507.46 and 90,295.43 is: 135,430.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,036.11 : 514,507.46 = 90,295.43 : x
  2. Step 2: Convert to fraction form
    343,036.11/514,507.46 = 90,295.43/x
  3. Step 3: Cross multiply
    343,036.11x = 514,507.46 × 90,295.43
  4. Step 4: Simplify right side
    343,036.11x = 46,457,673,173.70
  5. Step 5: Solve for x
    x = 46,457,673,173.70/343,036.11
  6. Step 6: Final answer
    x = 135,430.85

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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.