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Finding the Fourth Proportional to 618,094.08, 926,950.35 and 218,643

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Solution

The fourth proportional to 618,094.08, 926,950.35 and 218,643 is: 327,897.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,094.08 : 926,950.35 = 218,643 : x
  2. Step 2: Convert to fraction form
    618,094.08/926,950.35 = 218,643/x
  3. Step 3: Cross multiply
    618,094.08x = 926,950.35 × 218,643
  4. Step 4: Simplify right side
    618,094.08x = 202,671,205,375.05
  5. Step 5: Solve for x
    x = 202,671,205,375.05/618,094.08
  6. Step 6: Final answer
    x = 327,897.02

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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.