Home / 403,421.33-604,957.03-137,110.34

Finding the Fourth Proportional to 403,421.33, 604,957.03 and 137,110.34

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Solution

The fourth proportional to 403,421.33, 604,957.03 and 137,110.34 is: 205,606.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,421.33 : 604,957.03 = 137,110.34 : x
  2. Step 2: Convert to fraction form
    403,421.33/604,957.03 = 137,110.34/x
  3. Step 3: Cross multiply
    403,421.33x = 604,957.03 × 137,110.34
  4. Step 4: Simplify right side
    403,421.33x = 82,945,865,238.31
  5. Step 5: Solve for x
    x = 82,945,865,238.31/403,421.33
  6. Step 6: Final answer
    x = 205,606.05

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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.