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Finding the Fourth Proportional to 456,954.07, 630,616.31 and 253,004.98

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Solution

The fourth proportional to 456,954.07, 630,616.31 and 253,004.98 is: 349,157.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,954.07 : 630,616.31 = 253,004.98 : x
  2. Step 2: Convert to fraction form
    456,954.07/630,616.31 = 253,004.98/x
  3. Step 3: Cross multiply
    456,954.07x = 630,616.31 × 253,004.98
  4. Step 4: Simplify right side
    456,954.07x = 159,549,065,955.20
  5. Step 5: Solve for x
    x = 159,549,065,955.20/456,954.07
  6. Step 6: Final answer
    x = 349,157.78

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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.