Home / 284,530.32-427,063.44-144,389.52

Finding the Fourth Proportional to 284,530.32, 427,063.44 and 144,389.52

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Solution

The fourth proportional to 284,530.32, 427,063.44 and 144,389.52 is: 216,720.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,530.32 : 427,063.44 = 144,389.52 : x
  2. Step 2: Convert to fraction form
    284,530.32/427,063.44 = 144,389.52/x
  3. Step 3: Cross multiply
    284,530.32x = 427,063.44 × 144,389.52
  4. Step 4: Simplify right side
    284,530.32x = 61,663,485,111.15
  5. Step 5: Solve for x
    x = 61,663,485,111.15/284,530.32
  6. Step 6: Final answer
    x = 216,720.26

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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.