Home / 630,974.61-946,464.35-157,660.43

Finding the Fourth Proportional to 630,974.61, 946,464.35 and 157,660.43

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Solution

The fourth proportional to 630,974.61, 946,464.35 and 157,660.43 is: 236,491.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,974.61 : 946,464.35 = 157,660.43 : x
  2. Step 2: Convert to fraction form
    630,974.61/946,464.35 = 157,660.43/x
  3. Step 3: Cross multiply
    630,974.61x = 946,464.35 × 157,660.43
  4. Step 4: Simplify right side
    630,974.61x = 149,219,970,880.05
  5. Step 5: Solve for x
    x = 149,219,970,880.05/630,974.61
  6. Step 6: Final answer
    x = 236,491.24

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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.