Home / 315,454.20-473,181.30-253,246.20

Finding the Fourth Proportional to 315,454.20, 473,181.30 and 253,246.20

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Solution

The fourth proportional to 315,454.20, 473,181.30 and 253,246.20 is: 379,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,454.20 : 473,181.30 = 253,246.20 : x
  2. Step 2: Convert to fraction form
    315,454.20/473,181.30 = 253,246.20/x
  3. Step 3: Cross multiply
    315,454.20x = 473,181.30 × 253,246.20
  4. Step 4: Simplify right side
    315,454.20x = 119,831,366,136.06
  5. Step 5: Solve for x
    x = 119,831,366,136.06/315,454.20
  6. Step 6: Final answer
    x = 379,869.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.