Home / 284,150.10-426,009.15-144,009.30

Finding the Fourth Proportional to 284,150.10, 426,009.15 and 144,009.30

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Solution

The fourth proportional to 284,150.10, 426,009.15 and 144,009.30 is: 215,904.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,150.10 : 426,009.15 = 144,009.30 : x
  2. Step 2: Convert to fraction form
    284,150.10/426,009.15 = 144,009.30/x
  3. Step 3: Cross multiply
    284,150.10x = 426,009.15 × 144,009.30
  4. Step 4: Simplify right side
    284,150.10x = 61,349,279,485.10
  5. Step 5: Solve for x
    x = 61,349,279,485.10/284,150.10
  6. Step 6: Final answer
    x = 215,904.48

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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.