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Finding the Fourth Proportional to 458,816.66, 633,184.76 and 254,883.06

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Solution

The fourth proportional to 458,816.66, 633,184.76 and 254,883.06 is: 351,748.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,816.66 : 633,184.76 = 254,883.06 : x
  2. Step 2: Convert to fraction form
    458,816.66/633,184.76 = 254,883.06/x
  3. Step 3: Cross multiply
    458,816.66x = 633,184.76 × 254,883.06
  4. Step 4: Simplify right side
    458,816.66x = 161,388,066,316.79
  5. Step 5: Solve for x
    x = 161,388,066,316.79/458,816.66
  6. Step 6: Final answer
    x = 351,748.49

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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.