Home / 288,455.12-432,837.58-120,091.66

Finding the Fourth Proportional to 288,455.12, 432,837.58 and 120,091.66

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Solution

The fourth proportional to 288,455.12, 432,837.58 and 120,091.66 is: 180,201.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,455.12 : 432,837.58 = 120,091.66 : x
  2. Step 2: Convert to fraction form
    288,455.12/432,837.58 = 120,091.66/x
  3. Step 3: Cross multiply
    288,455.12x = 432,837.58 × 120,091.66
  4. Step 4: Simplify right side
    288,455.12x = 51,980,183,492.58
  5. Step 5: Solve for x
    x = 51,980,183,492.58/288,455.12
  6. Step 6: Final answer
    x = 180,201.98

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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.