Home / 346,810.70-520,086.45-136,405.10

Finding the Fourth Proportional to 346,810.70, 520,086.45 and 136,405.10

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Solution

The fourth proportional to 346,810.70, 520,086.45 and 136,405.10 is: 204,556.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,810.70 : 520,086.45 = 136,405.10 : x
  2. Step 2: Convert to fraction form
    346,810.70/520,086.45 = 136,405.10/x
  3. Step 3: Cross multiply
    346,810.70x = 520,086.45 × 136,405.10
  4. Step 4: Simplify right side
    346,810.70x = 70,942,444,220.90
  5. Step 5: Solve for x
    x = 70,942,444,220.90/346,810.70
  6. Step 6: Final answer
    x = 204,556.68

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1.5x scale

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.