Home / 495,236.16-742,427.91-210,666.15

Finding the Fourth Proportional to 495,236.16, 742,427.91 and 210,666.15

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Solution

The fourth proportional to 495,236.16, 742,427.91 and 210,666.15 is: 315,817.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,236.16 : 742,427.91 = 210,666.15 : x
  2. Step 2: Convert to fraction form
    495,236.16/742,427.91 = 210,666.15/x
  3. Step 3: Cross multiply
    495,236.16x = 742,427.91 × 210,666.15
  4. Step 4: Simplify right side
    495,236.16x = 156,404,429,452.25
  5. Step 5: Solve for x
    x = 156,404,429,452.25/495,236.16
  6. Step 6: Final answer
    x = 315,817.87

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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.