Home / 525,181.20-787,966.20-170,206.80

Finding the Fourth Proportional to 525,181.20, 787,966.20 and 170,206.80

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Solution

The fourth proportional to 525,181.20, 787,966.20 and 170,206.80 is: 255,373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,181.20 : 787,966.20 = 170,206.80 : x
  2. Step 2: Convert to fraction form
    525,181.20/787,966.20 = 170,206.80/x
  3. Step 3: Cross multiply
    525,181.20x = 787,966.20 × 170,206.80
  4. Step 4: Simplify right side
    525,181.20x = 134,117,205,410.16
  5. Step 5: Solve for x
    x = 134,117,205,410.16/525,181.20
  6. Step 6: Final answer
    x = 255,373.20

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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.