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Finding the Fourth Proportional to 353,434.55, 530,157.30 and 335,490.21

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Solution

The fourth proportional to 353,434.55, 530,157.30 and 335,490.21 is: 503,240.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,434.55 : 530,157.30 = 335,490.21 : x
  2. Step 2: Convert to fraction form
    353,434.55/530,157.30 = 335,490.21/x
  3. Step 3: Cross multiply
    353,434.55x = 530,157.30 × 335,490.21
  4. Step 4: Simplify right side
    353,434.55x = 177,862,582,232.58
  5. Step 5: Solve for x
    x = 177,862,582,232.58/353,434.55
  6. Step 6: Final answer
    x = 503,240.51

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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.