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Finding the Fourth Proportional to 538,913.56, 808,500.20 and 201,957.16

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Solution

The fourth proportional to 538,913.56, 808,500.20 and 201,957.16 is: 302,984.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,913.56 : 808,500.20 = 201,957.16 : x
  2. Step 2: Convert to fraction form
    538,913.56/808,500.20 = 201,957.16/x
  3. Step 3: Cross multiply
    538,913.56x = 808,500.20 × 201,957.16
  4. Step 4: Simplify right side
    538,913.56x = 163,282,404,251.43
  5. Step 5: Solve for x
    x = 163,282,404,251.43/538,913.56
  6. Step 6: Final answer
    x = 302,984.40

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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.