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Finding the Fourth Proportional to 454,018.86, 626,550.26 and 250,070.51

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Solution

The fourth proportional to 454,018.86, 626,550.26 and 250,070.51 is: 345,099.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,018.86 : 626,550.26 = 250,070.51 : x
  2. Step 2: Convert to fraction form
    454,018.86/626,550.26 = 250,070.51/x
  3. Step 3: Cross multiply
    454,018.86x = 626,550.26 × 250,070.51
  4. Step 4: Simplify right side
    454,018.86x = 156,681,743,058.83
  5. Step 5: Solve for x
    x = 156,681,743,058.83/454,018.86
  6. Step 6: Final answer
    x = 345,099.64

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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.