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Finding the Fourth Proportional to 534,673.40, 802,047 and 155,597.27

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Solution

The fourth proportional to 534,673.40, 802,047 and 155,597.27 is: 233,406.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,673.40 : 802,047 = 155,597.27 : x
  2. Step 2: Convert to fraction form
    534,673.40/802,047 = 155,597.27/x
  3. Step 3: Cross multiply
    534,673.40x = 802,047 × 155,597.27
  4. Step 4: Simplify right side
    534,673.40x = 124,796,323,611.69
  5. Step 5: Solve for x
    x = 124,796,323,611.69/534,673.40
  6. Step 6: Final answer
    x = 233,406.64

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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.