Home / 272,032.25-407,995.23-258,529.74

Finding the Fourth Proportional to 272,032.25, 407,995.23 and 258,529.74

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Solution

The fourth proportional to 272,032.25, 407,995.23 and 258,529.74 is: 387,744.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,032.25 : 407,995.23 = 258,529.74 : x
  2. Step 2: Convert to fraction form
    272,032.25/407,995.23 = 258,529.74/x
  3. Step 3: Cross multiply
    272,032.25x = 407,995.23 × 258,529.74
  4. Step 4: Simplify right side
    272,032.25x = 105,478,900,733.14
  5. Step 5: Solve for x
    x = 105,478,900,733.14/272,032.25
  6. Step 6: Final answer
    x = 387,744.11

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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.