Home / 293,501.60-439,742.10-135,405.80

Finding the Fourth Proportional to 293,501.60, 439,742.10 and 135,405.80

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Solution

The fourth proportional to 293,501.60, 439,742.10 and 135,405.80 is: 202,873.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,501.60 : 439,742.10 = 135,405.80 : x
  2. Step 2: Convert to fraction form
    293,501.60/439,742.10 = 135,405.80/x
  3. Step 3: Cross multiply
    293,501.60x = 439,742.10 × 135,405.80
  4. Step 4: Simplify right side
    293,501.60x = 59,543,630,844.18
  5. Step 5: Solve for x
    x = 59,543,630,844.18/293,501.60
  6. Step 6: Final answer
    x = 202,873.28

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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.