Home / 438,047.48-604,504.68-247,060.28

Finding the Fourth Proportional to 438,047.48, 604,504.68 and 247,060.28

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Solution

The fourth proportional to 438,047.48, 604,504.68 and 247,060.28 is: 340,942.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,047.48 : 604,504.68 = 247,060.28 : x
  2. Step 2: Convert to fraction form
    438,047.48/604,504.68 = 247,060.28/x
  3. Step 3: Cross multiply
    438,047.48x = 604,504.68 × 247,060.28
  4. Step 4: Simplify right side
    438,047.48x = 149,349,095,502.11
  5. Step 5: Solve for x
    x = 149,349,095,502.11/438,047.48
  6. Step 6: Final answer
    x = 340,942.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.