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Finding the Fourth Proportional to 283,655.60, 425,483.40 and 256,007.60

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Solution

The fourth proportional to 283,655.60, 425,483.40 and 256,007.60 is: 384,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,655.60 : 425,483.40 = 256,007.60 : x
  2. Step 2: Convert to fraction form
    283,655.60/425,483.40 = 256,007.60/x
  3. Step 3: Cross multiply
    283,655.60x = 425,483.40 × 256,007.60
  4. Step 4: Simplify right side
    283,655.60x = 108,926,984,073.84
  5. Step 5: Solve for x
    x = 108,926,984,073.84/283,655.60
  6. Step 6: Final answer
    x = 384,011.40

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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.