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Finding the Fourth Proportional to 668,199.51, 922,121.62 and 362,275.07

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Solution

The fourth proportional to 668,199.51, 922,121.62 and 362,275.07 is: 499,943.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,199.51 : 922,121.62 = 362,275.07 : x
  2. Step 2: Convert to fraction form
    668,199.51/922,121.62 = 362,275.07/x
  3. Step 3: Cross multiply
    668,199.51x = 922,121.62 × 362,275.07
  4. Step 4: Simplify right side
    668,199.51x = 334,061,668,917.72
  5. Step 5: Solve for x
    x = 334,061,668,917.72/668,199.51
  6. Step 6: Final answer
    x = 499,943.00

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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.