Home / 367,621.41-507,447.90-222,434.68

Finding the Fourth Proportional to 367,621.41, 507,447.90 and 222,434.68

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Solution

The fourth proportional to 367,621.41, 507,447.90 and 222,434.68 is: 307,038.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,621.41 : 507,447.90 = 222,434.68 : x
  2. Step 2: Convert to fraction form
    367,621.41/507,447.90 = 222,434.68/x
  3. Step 3: Cross multiply
    367,621.41x = 507,447.90 × 222,434.68
  4. Step 4: Simplify right side
    367,621.41x = 112,874,011,253.17
  5. Step 5: Solve for x
    x = 112,874,011,253.17/367,621.41
  6. Step 6: Final answer
    x = 307,038.73

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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.