Home / 346,945.30-520,072.35-159,630.10

Finding the Fourth Proportional to 346,945.30, 520,072.35 and 159,630.10

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Solution

The fourth proportional to 346,945.30, 520,072.35 and 159,630.10 is: 239,286.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,945.30 : 520,072.35 = 159,630.10 : x
  2. Step 2: Convert to fraction form
    346,945.30/520,072.35 = 159,630.10/x
  3. Step 3: Cross multiply
    346,945.30x = 520,072.35 × 159,630.10
  4. Step 4: Simplify right side
    346,945.30x = 83,019,201,237.74
  5. Step 5: Solve for x
    x = 83,019,201,237.74/346,945.30
  6. Step 6: Final answer
    x = 239,286.14

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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.