Home / 296,985.60-409,832.64-162,849.60

Finding the Fourth Proportional to 296,985.60, 409,832.64 and 162,849.60

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Solution

The fourth proportional to 296,985.60, 409,832.64 and 162,849.60 is: 224,728.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,985.60 : 409,832.64 = 162,849.60 : x
  2. Step 2: Convert to fraction form
    296,985.60/409,832.64 = 162,849.60/x
  3. Step 3: Cross multiply
    296,985.60x = 409,832.64 × 162,849.60
  4. Step 4: Simplify right side
    296,985.60x = 66,741,081,490.94
  5. Step 5: Solve for x
    x = 66,741,081,490.94/296,985.60
  6. Step 6: Final answer
    x = 224,728.34

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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.