Home / 571,580.20-857,370.68-145,148

Finding the Fourth Proportional to 571,580.20, 857,370.68 and 145,148

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Solution

The fourth proportional to 571,580.20, 857,370.68 and 145,148 is: 217,722.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,580.20 : 857,370.68 = 145,148 : x
  2. Step 2: Convert to fraction form
    571,580.20/857,370.68 = 145,148/x
  3. Step 3: Cross multiply
    571,580.20x = 857,370.68 × 145,148
  4. Step 4: Simplify right side
    571,580.20x = 124,445,639,460.64
  5. Step 5: Solve for x
    x = 124,445,639,460.64/571,580.20
  6. Step 6: Final answer
    x = 217,722.10

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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.