Home / 293,455.10-439,672.35-135,359.30

Finding the Fourth Proportional to 293,455.10, 439,672.35 and 135,359.30

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Solution

The fourth proportional to 293,455.10, 439,672.35 and 135,359.30 is: 202,803.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,455.10 : 439,672.35 = 135,359.30 : x
  2. Step 2: Convert to fraction form
    293,455.10/439,672.35 = 135,359.30/x
  3. Step 3: Cross multiply
    293,455.10x = 439,672.35 × 135,359.30
  4. Step 4: Simplify right side
    293,455.10x = 59,513,741,525.36
  5. Step 5: Solve for x
    x = 59,513,741,525.36/293,455.10
  6. Step 6: Final answer
    x = 202,803.57

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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.