Home / 351,055.20-526,582.80-209,337.60

Finding the Fourth Proportional to 351,055.20, 526,582.80 and 209,337.60

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Solution

The fourth proportional to 351,055.20, 526,582.80 and 209,337.60 is: 314,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,055.20 : 526,582.80 = 209,337.60 : x
  2. Step 2: Convert to fraction form
    351,055.20/526,582.80 = 209,337.60/x
  3. Step 3: Cross multiply
    351,055.20x = 526,582.80 × 209,337.60
  4. Step 4: Simplify right side
    351,055.20x = 110,233,579,553.28
  5. Step 5: Solve for x
    x = 110,233,579,553.28/351,055.20
  6. Step 6: Final answer
    x = 314,006.40

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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.