Home / 495,431.03-742,956.40-210,941.21

Finding the Fourth Proportional to 495,431.03, 742,956.40 and 210,941.21

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Solution

The fourth proportional to 495,431.03, 742,956.40 and 210,941.21 is: 316,330.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,431.03 : 742,956.40 = 210,941.21 : x
  2. Step 2: Convert to fraction form
    495,431.03/742,956.40 = 210,941.21/x
  3. Step 3: Cross multiply
    495,431.03x = 742,956.40 × 210,941.21
  4. Step 4: Simplify right side
    495,431.03x = 156,720,124,114.31
  5. Step 5: Solve for x
    x = 156,720,124,114.31/495,431.03
  6. Step 6: Final answer
    x = 316,330.86

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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.