Home / 383,731.96-529,421.14-222,528.20

Finding the Fourth Proportional to 383,731.96, 529,421.14 and 222,528.20

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Solution

The fourth proportional to 383,731.96, 529,421.14 and 222,528.20 is: 307,014.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,731.96 : 529,421.14 = 222,528.20 : x
  2. Step 2: Convert to fraction form
    383,731.96/529,421.14 = 222,528.20/x
  3. Step 3: Cross multiply
    383,731.96x = 529,421.14 × 222,528.20
  4. Step 4: Simplify right side
    383,731.96x = 117,811,133,326.15
  5. Step 5: Solve for x
    x = 117,811,133,326.15/383,731.96
  6. Step 6: Final answer
    x = 307,014.13

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1.5x scale

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.