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Finding the Fourth Proportional to 253,653.63, 380,483.63 and 76,150.32

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Solution

The fourth proportional to 253,653.63, 380,483.63 and 76,150.32 is: 114,226.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,653.63 : 380,483.63 = 76,150.32 : x
  2. Step 2: Convert to fraction form
    253,653.63/380,483.63 = 76,150.32/x
  3. Step 3: Cross multiply
    253,653.63x = 380,483.63 × 76,150.32
  4. Step 4: Simplify right side
    253,653.63x = 28,973,949,798.51
  5. Step 5: Solve for x
    x = 28,973,949,798.51/253,653.63
  6. Step 6: Final answer
    x = 114,226.43

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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.