Home / 451,678.35-677,779.98-202,360.35

Finding the Fourth Proportional to 451,678.35, 677,779.98 and 202,360.35

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Solution

The fourth proportional to 451,678.35, 677,779.98 and 202,360.35 is: 303,658.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,678.35 : 677,779.98 = 202,360.35 : x
  2. Step 2: Convert to fraction form
    451,678.35/677,779.98 = 202,360.35/x
  3. Step 3: Cross multiply
    451,678.35x = 677,779.98 × 202,360.35
  4. Step 4: Simplify right side
    451,678.35x = 137,155,793,975.79
  5. Step 5: Solve for x
    x = 137,155,793,975.79/451,678.35
  6. Step 6: Final answer
    x = 303,658.11

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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.