Home / 630,299.99-945,453.46-156,985.38

Finding the Fourth Proportional to 630,299.99, 945,453.46 and 156,985.38

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Solution

The fourth proportional to 630,299.99, 945,453.46 and 156,985.38 is: 235,478.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,299.99 : 945,453.46 = 156,985.38 : x
  2. Step 2: Convert to fraction form
    630,299.99/945,453.46 = 156,985.38/x
  3. Step 3: Cross multiply
    630,299.99x = 945,453.46 × 156,985.38
  4. Step 4: Simplify right side
    630,299.99x = 148,422,370,690.42
  5. Step 5: Solve for x
    x = 148,422,370,690.42/630,299.99
  6. Step 6: Final answer
    x = 235,478.94

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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.