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Finding the Fourth Proportional to 559,957.01, 839,938.75 and 139,232.88

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Solution

The fourth proportional to 559,957.01, 839,938.75 and 139,232.88 is: 208,850.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,957.01 : 839,938.75 = 139,232.88 : x
  2. Step 2: Convert to fraction form
    559,957.01/839,938.75 = 139,232.88/x
  3. Step 3: Cross multiply
    559,957.01x = 839,938.75 × 139,232.88
  4. Step 4: Simplify right side
    559,957.01x = 116,947,090,838.02
  5. Step 5: Solve for x
    x = 116,947,090,838.02/559,957.01
  6. Step 6: Final answer
    x = 208,850.13

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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.