Home / 343,036.05-514,461.12-143,314.65

Finding the Fourth Proportional to 343,036.05, 514,461.12 and 143,314.65

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Solution

The fourth proportional to 343,036.05, 514,461.12 and 143,314.65 is: 214,933.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,036.05 : 514,461.12 = 143,314.65 : x
  2. Step 2: Convert to fraction form
    343,036.05/514,461.12 = 143,314.65/x
  3. Step 3: Cross multiply
    343,036.05x = 514,461.12 × 143,314.65
  4. Step 4: Simplify right side
    343,036.05x = 73,729,815,620.12
  5. Step 5: Solve for x
    x = 73,729,815,620.12/343,036.05
  6. Step 6: Final answer
    x = 214,933.14

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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.