Home / 438,210.45-657,388.31-153,827.22

Finding the Fourth Proportional to 438,210.45, 657,388.31 and 153,827.22

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Solution

The fourth proportional to 438,210.45, 657,388.31 and 153,827.22 is: 230,766.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,210.45 : 657,388.31 = 153,827.22 : x
  2. Step 2: Convert to fraction form
    438,210.45/657,388.31 = 153,827.22/x
  3. Step 3: Cross multiply
    438,210.45x = 657,388.31 × 153,827.22
  4. Step 4: Simplify right side
    438,210.45x = 101,124,216,187.80
  5. Step 5: Solve for x
    x = 101,124,216,187.80/438,210.45
  6. Step 6: Final answer
    x = 230,766.33

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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.