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Finding the Fourth Proportional to 357,666.66, 536,583.03 and 104,936.94

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Solution

The fourth proportional to 357,666.66, 536,583.03 and 104,936.94 is: 157,429.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,666.66 : 536,583.03 = 104,936.94 : x
  2. Step 2: Convert to fraction form
    357,666.66/536,583.03 = 104,936.94/x
  3. Step 3: Cross multiply
    357,666.66x = 536,583.03 × 104,936.94
  4. Step 4: Simplify right side
    357,666.66x = 56,307,381,224.13
  5. Step 5: Solve for x
    x = 56,307,381,224.13/357,666.66
  6. Step 6: Final answer
    x = 157,429.77

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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.