Home / 353,721.60-530,582.40-241,747.20

Finding the Fourth Proportional to 353,721.60, 530,582.40 and 241,747.20

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Solution

The fourth proportional to 353,721.60, 530,582.40 and 241,747.20 is: 362,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,721.60 : 530,582.40 = 241,747.20 : x
  2. Step 2: Convert to fraction form
    353,721.60/530,582.40 = 241,747.20/x
  3. Step 3: Cross multiply
    353,721.60x = 530,582.40 × 241,747.20
  4. Step 4: Simplify right side
    353,721.60x = 128,266,809,569.28
  5. Step 5: Solve for x
    x = 128,266,809,569.28/353,721.60
  6. Step 6: Final answer
    x = 362,620.80

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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.