Home / 456,528.22-684,878.40-140,911.32

Finding the Fourth Proportional to 456,528.22, 684,878.40 and 140,911.32

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Solution

The fourth proportional to 456,528.22, 684,878.40 and 140,911.32 is: 211,393.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,528.22 : 684,878.40 = 140,911.32 : x
  2. Step 2: Convert to fraction form
    456,528.22/684,878.40 = 140,911.32/x
  3. Step 3: Cross multiply
    456,528.22x = 684,878.40 × 140,911.32
  4. Step 4: Simplify right side
    456,528.22x = 96,507,119,383.49
  5. Step 5: Solve for x
    x = 96,507,119,383.49/456,528.22
  6. Step 6: Final answer
    x = 211,393.55

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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.