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Finding the Fourth Proportional to 456,568, 630,066 and 255,364

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Solution

The fourth proportional to 456,568, 630,066 and 255,364 is: 352,403.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,568 : 630,066 = 255,364 : x
  2. Step 2: Convert to fraction form
    456,568/630,066 = 255,364/x
  3. Step 3: Cross multiply
    456,568x = 630,066 × 255,364
  4. Step 4: Simplify right side
    456,568x = 160,896,174,024
  5. Step 5: Solve for x
    x = 160,896,174,024/456,568
  6. Step 6: Final answer
    x = 352,403.53

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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.