Home / 495,237.16-742,429.41-210,667.15

Finding the Fourth Proportional to 495,237.16, 742,429.41 and 210,667.15

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Solution

The fourth proportional to 495,237.16, 742,429.41 and 210,667.15 is: 315,819.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,237.16 : 742,429.41 = 210,667.15 : x
  2. Step 2: Convert to fraction form
    495,237.16/742,429.41 = 210,667.15/x
  3. Step 3: Cross multiply
    495,237.16x = 742,429.41 × 210,667.15
  4. Step 4: Simplify right side
    495,237.16x = 156,405,487,880.88
  5. Step 5: Solve for x
    x = 156,405,487,880.88/495,237.16
  6. Step 6: Final answer
    x = 315,819.37

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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.