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Finding the Fourth Proportional to 575,907.17, 863,762.33 and 155,084.63

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Solution

The fourth proportional to 575,907.17, 863,762.33 and 155,084.63 is: 232,600.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,907.17 : 863,762.33 = 155,084.63 : x
  2. Step 2: Convert to fraction form
    575,907.17/863,762.33 = 155,084.63/x
  3. Step 3: Cross multiply
    575,907.17x = 863,762.33 × 155,084.63
  4. Step 4: Simplify right side
    575,907.17x = 133,956,257,424.89
  5. Step 5: Solve for x
    x = 133,956,257,424.89/575,907.17
  6. Step 6: Final answer
    x = 232,600.44

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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.