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Finding the Fourth Proportional to 351,750.32, 486,059.16 and 256,090.96

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Solution

The fourth proportional to 351,750.32, 486,059.16 and 256,090.96 is: 353,874.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,750.32 : 486,059.16 = 256,090.96 : x
  2. Step 2: Convert to fraction form
    351,750.32/486,059.16 = 256,090.96/x
  3. Step 3: Cross multiply
    351,750.32x = 486,059.16 × 256,090.96
  4. Step 4: Simplify right side
    351,750.32x = 124,475,356,901.19
  5. Step 5: Solve for x
    x = 124,475,356,901.19/351,750.32
  6. Step 6: Final answer
    x = 353,874.18

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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.