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Finding the Fourth Proportional to 437,802.40, 656,703.60 and 171,474.40

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Solution

The fourth proportional to 437,802.40, 656,703.60 and 171,474.40 is: 257,211.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,802.40 : 656,703.60 = 171,474.40 : x
  2. Step 2: Convert to fraction form
    437,802.40/656,703.60 = 171,474.40/x
  3. Step 3: Cross multiply
    437,802.40x = 656,703.60 × 171,474.40
  4. Step 4: Simplify right side
    437,802.40x = 112,607,855,787.84
  5. Step 5: Solve for x
    x = 112,607,855,787.84/437,802.40
  6. Step 6: Final answer
    x = 257,211.60

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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.