Home / 430,533.48-645,450.29-150,247.56

Finding the Fourth Proportional to 430,533.48, 645,450.29 and 150,247.56

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Solution

The fourth proportional to 430,533.48, 645,450.29 and 150,247.56 is: 225,249.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,533.48 : 645,450.29 = 150,247.56 : x
  2. Step 2: Convert to fraction form
    430,533.48/645,450.29 = 150,247.56/x
  3. Step 3: Cross multiply
    430,533.48x = 645,450.29 × 150,247.56
  4. Step 4: Simplify right side
    430,533.48x = 96,977,327,946.54
  5. Step 5: Solve for x
    x = 96,977,327,946.54/430,533.48
  6. Step 6: Final answer
    x = 225,249.22

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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.