Home / 284,533.72-427,011.07-134,774.79

Finding the Fourth Proportional to 284,533.72, 427,011.07 and 134,774.79

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Solution

The fourth proportional to 284,533.72, 427,011.07 and 134,774.79 is: 202,261.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,533.72 : 427,011.07 = 134,774.79 : x
  2. Step 2: Convert to fraction form
    284,533.72/427,011.07 = 134,774.79/x
  3. Step 3: Cross multiply
    284,533.72x = 427,011.07 × 134,774.79
  4. Step 4: Simplify right side
    284,533.72x = 57,550,327,876.67
  5. Step 5: Solve for x
    x = 57,550,327,876.67/284,533.72
  6. Step 6: Final answer
    x = 202,261.89

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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.