Home / 380,257.10-570,415.35-169,916.30

Finding the Fourth Proportional to 380,257.10, 570,415.35 and 169,916.30

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Solution

The fourth proportional to 380,257.10, 570,415.35 and 169,916.30 is: 254,887.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,257.10 : 570,415.35 = 169,916.30 : x
  2. Step 2: Convert to fraction form
    380,257.10/570,415.35 = 169,916.30/x
  3. Step 3: Cross multiply
    380,257.10x = 570,415.35 × 169,916.30
  4. Step 4: Simplify right side
    380,257.10x = 96,922,865,735.21
  5. Step 5: Solve for x
    x = 96,922,865,735.21/380,257.10
  6. Step 6: Final answer
    x = 254,887.72

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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.