Home / 572,430.45-858,669.03-145,977.33

Finding the Fourth Proportional to 572,430.45, 858,669.03 and 145,977.33

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Solution

The fourth proportional to 572,430.45, 858,669.03 and 145,977.33 is: 218,971.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,430.45 : 858,669.03 = 145,977.33 : x
  2. Step 2: Convert to fraction form
    572,430.45/858,669.03 = 145,977.33/x
  3. Step 3: Cross multiply
    572,430.45x = 858,669.03 × 145,977.33
  4. Step 4: Simplify right side
    572,430.45x = 125,346,212,353.09
  5. Step 5: Solve for x
    x = 125,346,212,353.09/572,430.45
  6. Step 6: Final answer
    x = 218,971.95

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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.