Home / 346,733.45-520,100.18-206,765.45

Finding the Fourth Proportional to 346,733.45, 520,100.18 and 206,765.45

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Solution

The fourth proportional to 346,733.45, 520,100.18 and 206,765.45 is: 310,148.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,733.45 : 520,100.18 = 206,765.45 : x
  2. Step 2: Convert to fraction form
    346,733.45/520,100.18 = 206,765.45/x
  3. Step 3: Cross multiply
    346,733.45x = 520,100.18 × 206,765.45
  4. Step 4: Simplify right side
    346,733.45x = 107,538,746,728.95
  5. Step 5: Solve for x
    x = 107,538,746,728.95/346,733.45
  6. Step 6: Final answer
    x = 310,148.18

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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.