Home / 428,056.11-590,710.19-237,065.40

Finding the Fourth Proportional to 428,056.11, 590,710.19 and 237,065.40

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Solution

The fourth proportional to 428,056.11, 590,710.19 and 237,065.40 is: 327,146.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,056.11 : 590,710.19 = 237,065.40 : x
  2. Step 2: Convert to fraction form
    428,056.11/590,710.19 = 237,065.40/x
  3. Step 3: Cross multiply
    428,056.11x = 590,710.19 × 237,065.40
  4. Step 4: Simplify right side
    428,056.11x = 140,036,946,291.10
  5. Step 5: Solve for x
    x = 140,036,946,291.10/428,056.11
  6. Step 6: Final answer
    x = 327,146.24

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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.