Home / 495,128.42-742,973.52-267,421.22

Finding the Fourth Proportional to 495,128.42, 742,973.52 and 267,421.22

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Solution

The fourth proportional to 495,128.42, 742,973.52 and 267,421.22 is: 401,283.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,128.42 : 742,973.52 = 267,421.22 : x
  2. Step 2: Convert to fraction form
    495,128.42/742,973.52 = 267,421.22/x
  3. Step 3: Cross multiply
    495,128.42x = 742,973.52 × 267,421.22
  4. Step 4: Simplify right side
    495,128.42x = 198,686,885,146.09
  5. Step 5: Solve for x
    x = 198,686,885,146.09/495,128.42
  6. Step 6: Final answer
    x = 401,283.54

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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.