Home / 495,318.40-742,977.60-179,785.60

Finding the Fourth Proportional to 495,318.40, 742,977.60 and 179,785.60

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Solution

The fourth proportional to 495,318.40, 742,977.60 and 179,785.60 is: 269,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,318.40 : 742,977.60 = 179,785.60 : x
  2. Step 2: Convert to fraction form
    495,318.40/742,977.60 = 179,785.60/x
  3. Step 3: Cross multiply
    495,318.40x = 742,977.60 × 179,785.60
  4. Step 4: Simplify right side
    495,318.40x = 133,576,673,602.56
  5. Step 5: Solve for x
    x = 133,576,673,602.56/495,318.40
  6. Step 6: Final answer
    x = 269,678.40

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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.