Home / 284,741.70-426,529.35-144,579.30

Finding the Fourth Proportional to 284,741.70, 426,529.35 and 144,579.30

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Solution

The fourth proportional to 284,741.70, 426,529.35 and 144,579.30 is: 216,572.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,741.70 : 426,529.35 = 144,579.30 : x
  2. Step 2: Convert to fraction form
    284,741.70/426,529.35 = 144,579.30/x
  3. Step 3: Cross multiply
    284,741.70x = 426,529.35 × 144,579.30
  4. Step 4: Simplify right side
    284,741.70x = 61,667,314,852.46
  5. Step 5: Solve for x
    x = 61,667,314,852.46/284,741.70
  6. Step 6: Final answer
    x = 216,572.83

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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.