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Finding the Fourth Proportional to 376,070.06, 564,123.32 and 123,328.19

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Solution

The fourth proportional to 376,070.06, 564,123.32 and 123,328.19 is: 184,998.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,070.06 : 564,123.32 = 123,328.19 : x
  2. Step 2: Convert to fraction form
    376,070.06/564,123.32 = 123,328.19/x
  3. Step 3: Cross multiply
    376,070.06x = 564,123.32 × 123,328.19
  4. Step 4: Simplify right side
    376,070.06x = 69,572,307,992.39
  5. Step 5: Solve for x
    x = 69,572,307,992.39/376,070.06
  6. Step 6: Final answer
    x = 184,998.26

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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.