Home / 301,280.67-451,923.62-76,641.35

Finding the Fourth Proportional to 301,280.67, 451,923.62 and 76,641.35

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Solution

The fourth proportional to 301,280.67, 451,923.62 and 76,641.35 is: 114,962.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,280.67 : 451,923.62 = 76,641.35 : x
  2. Step 2: Convert to fraction form
    301,280.67/451,923.62 = 76,641.35/x
  3. Step 3: Cross multiply
    301,280.67x = 451,923.62 × 76,641.35
  4. Step 4: Simplify right side
    301,280.67x = 34,636,033,690.86
  5. Step 5: Solve for x
    x = 34,636,033,690.86/301,280.67
  6. Step 6: Final answer
    x = 114,962.68

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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.