Home / 328,977.10-492,590.85-210,004.30

Finding the Fourth Proportional to 328,977.10, 492,590.85 and 210,004.30

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Solution

The fourth proportional to 328,977.10, 492,590.85 and 210,004.30 is: 314,448.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,977.10 : 492,590.85 = 210,004.30 : x
  2. Step 2: Convert to fraction form
    328,977.10/492,590.85 = 210,004.30/x
  3. Step 3: Cross multiply
    328,977.10x = 492,590.85 × 210,004.30
  4. Step 4: Simplify right side
    328,977.10x = 103,446,196,640.66
  5. Step 5: Solve for x
    x = 103,446,196,640.66/328,977.10
  6. Step 6: Final answer
    x = 314,448.02

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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.