Home / 318,416.55-439,477.64-182,541.75

Finding the Fourth Proportional to 318,416.55, 439,477.64 and 182,541.75

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Solution

The fourth proportional to 318,416.55, 439,477.64 and 182,541.75 is: 251,943.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,416.55 : 439,477.64 = 182,541.75 : x
  2. Step 2: Convert to fraction form
    318,416.55/439,477.64 = 182,541.75/x
  3. Step 3: Cross multiply
    318,416.55x = 439,477.64 × 182,541.75
  4. Step 4: Simplify right side
    318,416.55x = 80,223,017,491.47
  5. Step 5: Solve for x
    x = 80,223,017,491.47/318,416.55
  6. Step 6: Final answer
    x = 251,943.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.