Home / 433,477.63-649,939.47-208,390.18

Finding the Fourth Proportional to 433,477.63, 649,939.47 and 208,390.18

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Solution

The fourth proportional to 433,477.63, 649,939.47 and 208,390.18 is: 312,452.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,477.63 : 649,939.47 = 208,390.18 : x
  2. Step 2: Convert to fraction form
    433,477.63/649,939.47 = 208,390.18/x
  3. Step 3: Cross multiply
    433,477.63x = 649,939.47 × 208,390.18
  4. Step 4: Simplify right side
    433,477.63x = 135,441,003,142.41
  5. Step 5: Solve for x
    x = 135,441,003,142.41/433,477.63
  6. Step 6: Final answer
    x = 312,452.12

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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.