Home / 346,971.40-520,068.30-178,426.60

Finding the Fourth Proportional to 346,971.40, 520,068.30 and 178,426.60

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Solution

The fourth proportional to 346,971.40, 520,068.30 and 178,426.60 is: 267,439.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,971.40 : 520,068.30 = 178,426.60 : x
  2. Step 2: Convert to fraction form
    346,971.40/520,068.30 = 178,426.60/x
  3. Step 3: Cross multiply
    346,971.40x = 520,068.30 × 178,426.60
  4. Step 4: Simplify right side
    346,971.40x = 92,794,018,536.78
  5. Step 5: Solve for x
    x = 92,794,018,536.78/346,971.40
  6. Step 6: Final answer
    x = 267,439.96

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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.