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Finding the Fourth Proportional to 255,136.16, 382,750.68 and 84,367.64

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Solution

The fourth proportional to 255,136.16, 382,750.68 and 84,367.64 is: 126,566.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,136.16 : 382,750.68 = 84,367.64 : x
  2. Step 2: Convert to fraction form
    255,136.16/382,750.68 = 84,367.64/x
  3. Step 3: Cross multiply
    255,136.16x = 382,750.68 × 84,367.64
  4. Step 4: Simplify right side
    255,136.16x = 32,291,771,580.00
  5. Step 5: Solve for x
    x = 32,291,771,580.00/255,136.16
  6. Step 6: Final answer
    x = 126,566.82

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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.