Home / 284,922.48-427,259.04-135,205.68

Finding the Fourth Proportional to 284,922.48, 427,259.04 and 135,205.68

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Solution

The fourth proportional to 284,922.48, 427,259.04 and 135,205.68 is: 202,749.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,922.48 : 427,259.04 = 135,205.68 : x
  2. Step 2: Convert to fraction form
    284,922.48/427,259.04 = 135,205.68/x
  3. Step 3: Cross multiply
    284,922.48x = 427,259.04 × 135,205.68
  4. Step 4: Simplify right side
    284,922.48x = 57,767,849,039.35
  5. Step 5: Solve for x
    x = 57,767,849,039.35/284,922.48
  6. Step 6: Final answer
    x = 202,749.35

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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.