Home / 428,201.12-590,909.64-237,210.32

Finding the Fourth Proportional to 428,201.12, 590,909.64 and 237,210.32

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Solution

The fourth proportional to 428,201.12, 590,909.64 and 237,210.32 is: 327,345.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,201.12 : 590,909.64 = 237,210.32 : x
  2. Step 2: Convert to fraction form
    428,201.12/590,909.64 = 237,210.32/x
  3. Step 3: Cross multiply
    428,201.12x = 590,909.64 × 237,210.32
  4. Step 4: Simplify right side
    428,201.12x = 140,169,864,795.49
  5. Step 5: Solve for x
    x = 140,169,864,795.49/428,201.12
  6. Step 6: Final answer
    x = 327,345.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.