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Finding the Fourth Proportional to 403,376.30, 604,999.65 and 122,828.30

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Solution

The fourth proportional to 403,376.30, 604,999.65 and 122,828.30 is: 184,222.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,376.30 : 604,999.65 = 122,828.30 : x
  2. Step 2: Convert to fraction form
    403,376.30/604,999.65 = 122,828.30/x
  3. Step 3: Cross multiply
    403,376.30x = 604,999.65 × 122,828.30
  4. Step 4: Simplify right side
    403,376.30x = 74,311,078,510.10
  5. Step 5: Solve for x
    x = 74,311,078,510.10/403,376.30
  6. Step 6: Final answer
    x = 184,222.72

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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.