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Finding the Fourth Proportional to 356,955.42, 492,567.21 and 203,963.16

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Solution

The fourth proportional to 356,955.42, 492,567.21 and 203,963.16 is: 281,451.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,955.42 : 492,567.21 = 203,963.16 : x
  2. Step 2: Convert to fraction form
    356,955.42/492,567.21 = 203,963.16/x
  3. Step 3: Cross multiply
    356,955.42x = 492,567.21 × 203,963.16
  4. Step 4: Simplify right side
    356,955.42x = 100,465,564,663.98
  5. Step 5: Solve for x
    x = 100,465,564,663.98/356,955.42
  6. Step 6: Final answer
    x = 281,451.29

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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.