Home / 572,076.18-858,390.75-235,365.30

Finding the Fourth Proportional to 572,076.18, 858,390.75 and 235,365.30

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Solution

The fourth proportional to 572,076.18, 858,390.75 and 235,365.30 is: 353,161.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,076.18 : 858,390.75 = 235,365.30 : x
  2. Step 2: Convert to fraction form
    572,076.18/858,390.75 = 235,365.30/x
  3. Step 3: Cross multiply
    572,076.18x = 858,390.75 × 235,365.30
  4. Step 4: Simplify right side
    572,076.18x = 202,035,396,390.98
  5. Step 5: Solve for x
    x = 202,035,396,390.98/572,076.18
  6. Step 6: Final answer
    x = 353,161.70

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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.