Home / 525,182.20-787,967.70-170,207.80

Finding the Fourth Proportional to 525,182.20, 787,967.70 and 170,207.80

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Solution

The fourth proportional to 525,182.20, 787,967.70 and 170,207.80 is: 255,374.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,182.20 : 787,967.70 = 170,207.80 : x
  2. Step 2: Convert to fraction form
    525,182.20/787,967.70 = 170,207.80/x
  3. Step 3: Cross multiply
    525,182.20x = 787,967.70 × 170,207.80
  4. Step 4: Simplify right side
    525,182.20x = 134,118,248,688.06
  5. Step 5: Solve for x
    x = 134,118,248,688.06/525,182.20
  6. Step 6: Final answer
    x = 255,374.70

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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.