Home / 428,127.58-590,856.05-237,141.12

Finding the Fourth Proportional to 428,127.58, 590,856.05 and 237,141.12

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Solution

The fourth proportional to 428,127.58, 590,856.05 and 237,141.12 is: 327,276.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,127.58 : 590,856.05 = 237,141.12 : x
  2. Step 2: Convert to fraction form
    428,127.58/590,856.05 = 237,141.12/x
  3. Step 3: Cross multiply
    428,127.58x = 590,856.05 × 237,141.12
  4. Step 4: Simplify right side
    428,127.58x = 140,116,265,455.78
  5. Step 5: Solve for x
    x = 140,116,265,455.78/428,127.58
  6. Step 6: Final answer
    x = 327,276.90

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1.5x scale

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.