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Finding the Fourth Proportional to 284,416.49, 426,459.68 and 134,655.51

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Solution

The fourth proportional to 284,416.49, 426,459.68 and 134,655.51 is: 201,905.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,416.49 : 426,459.68 = 134,655.51 : x
  2. Step 2: Convert to fraction form
    284,416.49/426,459.68 = 134,655.51/x
  3. Step 3: Cross multiply
    284,416.49x = 426,459.68 × 134,655.51
  4. Step 4: Simplify right side
    284,416.49x = 57,425,145,704.84
  5. Step 5: Solve for x
    x = 57,425,145,704.84/284,416.49
  6. Step 6: Final answer
    x = 201,905.12

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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.