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Finding the Fourth Proportional to 333,642.40, 500,490.94 and 96,984.84

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Solution

The fourth proportional to 333,642.40, 500,490.94 and 96,984.84 is: 145,485.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,642.40 : 500,490.94 = 96,984.84 : x
  2. Step 2: Convert to fraction form
    333,642.40/500,490.94 = 96,984.84/x
  3. Step 3: Cross multiply
    333,642.40x = 500,490.94 × 96,984.84
  4. Step 4: Simplify right side
    333,642.40x = 48,540,033,737.35
  5. Step 5: Solve for x
    x = 48,540,033,737.35/333,642.40
  6. Step 6: Final answer
    x = 145,485.21

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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.