Home / 346,072.20-519,108.30-109,487.40

Finding the Fourth Proportional to 346,072.20, 519,108.30 and 109,487.40

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Solution

The fourth proportional to 346,072.20, 519,108.30 and 109,487.40 is: 164,231.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,072.20 : 519,108.30 = 109,487.40 : x
  2. Step 2: Convert to fraction form
    346,072.20/519,108.30 = 109,487.40/x
  3. Step 3: Cross multiply
    346,072.20x = 519,108.30 × 109,487.40
  4. Step 4: Simplify right side
    346,072.20x = 56,835,818,085.42
  5. Step 5: Solve for x
    x = 56,835,818,085.42/346,072.20
  6. Step 6: Final answer
    x = 164,231.10

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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.