Home / 328,201.90-492,302.85-210,006.70

Finding the Fourth Proportional to 328,201.90, 492,302.85 and 210,006.70

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Solution

The fourth proportional to 328,201.90, 492,302.85 and 210,006.70 is: 315,010.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,201.90 : 492,302.85 = 210,006.70 : x
  2. Step 2: Convert to fraction form
    328,201.90/492,302.85 = 210,006.70/x
  3. Step 3: Cross multiply
    328,201.90x = 492,302.85 × 210,006.70
  4. Step 4: Simplify right side
    328,201.90x = 103,386,896,929.10
  5. Step 5: Solve for x
    x = 103,386,896,929.10/328,201.90
  6. Step 6: Final answer
    x = 315,010.05

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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.