Home / 319,304.22-440,182.08-251,203.10

Finding the Fourth Proportional to 319,304.22, 440,182.08 and 251,203.10

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Solution

The fourth proportional to 319,304.22, 440,182.08 and 251,203.10 is: 346,300.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,304.22 : 440,182.08 = 251,203.10 : x
  2. Step 2: Convert to fraction form
    319,304.22/440,182.08 = 251,203.10/x
  3. Step 3: Cross multiply
    319,304.22x = 440,182.08 × 251,203.10
  4. Step 4: Simplify right side
    319,304.22x = 110,575,100,859.54
  5. Step 5: Solve for x
    x = 110,575,100,859.54/319,304.22
  6. Step 6: Final answer
    x = 346,300.15

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1.5x scale

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.