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Finding the Fourth Proportional to 291,210.27, 436,360.89 and 184,368.03

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Solution

The fourth proportional to 291,210.27, 436,360.89 and 184,368.03 is: 276,264.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,210.27 : 436,360.89 = 184,368.03 : x
  2. Step 2: Convert to fraction form
    291,210.27/436,360.89 = 184,368.03/x
  3. Step 3: Cross multiply
    291,210.27x = 436,360.89 × 184,368.03
  4. Step 4: Simplify right side
    291,210.27x = 80,450,997,658.35
  5. Step 5: Solve for x
    x = 80,450,997,658.35/291,210.27
  6. Step 6: Final answer
    x = 276,264.29

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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.