Home / 346,791.07-520,184.18-178,358.36

Finding the Fourth Proportional to 346,791.07, 520,184.18 and 178,358.36

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Solution

The fourth proportional to 346,791.07, 520,184.18 and 178,358.36 is: 267,536.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,791.07 : 520,184.18 = 178,358.36 : x
  2. Step 2: Convert to fraction form
    346,791.07/520,184.18 = 178,358.36/x
  3. Step 3: Cross multiply
    346,791.07x = 520,184.18 × 178,358.36
  4. Step 4: Simplify right side
    346,791.07x = 92,779,194,084.45
  5. Step 5: Solve for x
    x = 92,779,194,084.45/346,791.07
  6. Step 6: Final answer
    x = 267,536.28

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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.