Home / 409,566.53-614,626.45-143,329.35

Finding the Fourth Proportional to 409,566.53, 614,626.45 and 143,329.35

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Solution

The fourth proportional to 409,566.53, 614,626.45 and 143,329.35 is: 215,090.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,566.53 : 614,626.45 = 143,329.35 : x
  2. Step 2: Convert to fraction form
    409,566.53/614,626.45 = 143,329.35/x
  3. Step 3: Cross multiply
    409,566.53x = 614,626.45 × 143,329.35
  4. Step 4: Simplify right side
    409,566.53x = 88,094,009,571.31
  5. Step 5: Solve for x
    x = 88,094,009,571.31/409,566.53
  6. Step 6: Final answer
    x = 215,090.84

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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.