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Finding the Fourth Proportional to 456,951.84, 630,570.72 and 250,214.88

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Solution

The fourth proportional to 456,951.84, 630,570.72 and 250,214.88 is: 345,284.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,951.84 : 630,570.72 = 250,214.88 : x
  2. Step 2: Convert to fraction form
    456,951.84/630,570.72 = 250,214.88/x
  3. Step 3: Cross multiply
    456,951.84x = 630,570.72 × 250,214.88
  4. Step 4: Simplify right side
    456,951.84x = 157,778,177,036.31
  5. Step 5: Solve for x
    x = 157,778,177,036.31/456,951.84
  6. Step 6: Final answer
    x = 345,284.04

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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.