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Finding the Fourth Proportional to 538,343.60, 807,588.30 and 201,302.60

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Solution

The fourth proportional to 538,343.60, 807,588.30 and 201,302.60 is: 301,981.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,343.60 : 807,588.30 = 201,302.60 : x
  2. Step 2: Convert to fraction form
    538,343.60/807,588.30 = 201,302.60/x
  3. Step 3: Cross multiply
    538,343.60x = 807,588.30 × 201,302.60
  4. Step 4: Simplify right side
    538,343.60x = 162,569,624,519.58
  5. Step 5: Solve for x
    x = 162,569,624,519.58/538,343.60
  6. Step 6: Final answer
    x = 301,981.16

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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.