Home / 430,837.20-646,284.60-146,523.60

Finding the Fourth Proportional to 430,837.20, 646,284.60 and 146,523.60

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Solution

The fourth proportional to 430,837.20, 646,284.60 and 146,523.60 is: 219,795.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,837.20 : 646,284.60 = 146,523.60 : x
  2. Step 2: Convert to fraction form
    430,837.20/646,284.60 = 146,523.60/x
  3. Step 3: Cross multiply
    430,837.20x = 646,284.60 × 146,523.60
  4. Step 4: Simplify right side
    430,837.20x = 94,695,946,216.56
  5. Step 5: Solve for x
    x = 94,695,946,216.56/430,837.20
  6. Step 6: Final answer
    x = 219,795.19

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1.5x scale

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.