Home / 346,868.70-520,043.85-189,275.10

Finding the Fourth Proportional to 346,868.70, 520,043.85 and 189,275.10

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Solution

The fourth proportional to 346,868.70, 520,043.85 and 189,275.10 is: 283,771.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,868.70 : 520,043.85 = 189,275.10 : x
  2. Step 2: Convert to fraction form
    346,868.70/520,043.85 = 189,275.10/x
  3. Step 3: Cross multiply
    346,868.70x = 520,043.85 × 189,275.10
  4. Step 4: Simplify right side
    346,868.70x = 98,431,351,713.14
  5. Step 5: Solve for x
    x = 98,431,351,713.14/346,868.70
  6. Step 6: Final answer
    x = 283,771.21

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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.