Home / 319,348.56-440,707.40-206,368.14

Finding the Fourth Proportional to 319,348.56, 440,707.40 and 206,368.14

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Solution

The fourth proportional to 319,348.56, 440,707.40 and 206,368.14 is: 284,792.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,348.56 : 440,707.40 = 206,368.14 : x
  2. Step 2: Convert to fraction form
    319,348.56/440,707.40 = 206,368.14/x
  3. Step 3: Cross multiply
    319,348.56x = 440,707.40 × 206,368.14
  4. Step 4: Simplify right side
    319,348.56x = 90,947,966,422.24
  5. Step 5: Solve for x
    x = 90,947,966,422.24/319,348.56
  6. Step 6: Final answer
    x = 284,792.16

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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.