Home / 343,100.36-514,475.04-143,366.24

Finding the Fourth Proportional to 343,100.36, 514,475.04 and 143,366.24

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Solution

The fourth proportional to 343,100.36, 514,475.04 and 143,366.24 is: 214,976.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,100.36 : 514,475.04 = 143,366.24 : x
  2. Step 2: Convert to fraction form
    343,100.36/514,475.04 = 143,366.24/x
  3. Step 3: Cross multiply
    343,100.36x = 514,475.04 × 143,366.24
  4. Step 4: Simplify right side
    343,100.36x = 73,758,352,058.65
  5. Step 5: Solve for x
    x = 73,758,352,058.65/343,100.36
  6. Step 6: Final answer
    x = 214,976.03

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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.