Home / 228,903.32-343,398.05-92,136.87

Finding the Fourth Proportional to 228,903.32, 343,398.05 and 92,136.87

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Solution

The fourth proportional to 228,903.32, 343,398.05 and 92,136.87 is: 138,222.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,903.32 : 343,398.05 = 92,136.87 : x
  2. Step 2: Convert to fraction form
    228,903.32/343,398.05 = 92,136.87/x
  3. Step 3: Cross multiply
    228,903.32x = 343,398.05 × 92,136.87
  4. Step 4: Simplify right side
    228,903.32x = 31,639,621,030.42
  5. Step 5: Solve for x
    x = 31,639,621,030.42/228,903.32
  6. Step 6: Final answer
    x = 138,222.64

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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.