Home / 457,111.08-630,795.87-250,376.18

Finding the Fourth Proportional to 457,111.08, 630,795.87 and 250,376.18

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Solution

The fourth proportional to 457,111.08, 630,795.87 and 250,376.18 is: 345,509.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,111.08 : 630,795.87 = 250,376.18 : x
  2. Step 2: Convert to fraction form
    457,111.08/630,795.87 = 250,376.18/x
  3. Step 3: Cross multiply
    457,111.08x = 630,795.87 × 250,376.18
  4. Step 4: Simplify right side
    457,111.08x = 157,936,257,136.40
  5. Step 5: Solve for x
    x = 157,936,257,136.40/457,111.08
  6. Step 6: Final answer
    x = 345,509.58

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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.