Home / 455,984.32-684,049.98-140,441.08

Finding the Fourth Proportional to 455,984.32, 684,049.98 and 140,441.08

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Solution

The fourth proportional to 455,984.32, 684,049.98 and 140,441.08 is: 210,684.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,984.32 : 684,049.98 = 140,441.08 : x
  2. Step 2: Convert to fraction form
    455,984.32/684,049.98 = 140,441.08/x
  3. Step 3: Cross multiply
    455,984.32x = 684,049.98 × 140,441.08
  4. Step 4: Simplify right side
    455,984.32x = 96,068,717,965.18
  5. Step 5: Solve for x
    x = 96,068,717,965.18/455,984.32
  6. Step 6: Final answer
    x = 210,684.26

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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.