Home / 525,037.95-787,720.35-188,081.49

Finding the Fourth Proportional to 525,037.95, 787,720.35 and 188,081.49

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Solution

The fourth proportional to 525,037.95, 787,720.35 and 188,081.49 is: 282,180.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,037.95 : 787,720.35 = 188,081.49 : x
  2. Step 2: Convert to fraction form
    525,037.95/787,720.35 = 188,081.49/x
  3. Step 3: Cross multiply
    525,037.95x = 787,720.35 × 188,081.49
  4. Step 4: Simplify right side
    525,037.95x = 148,155,617,131.32
  5. Step 5: Solve for x
    x = 148,155,617,131.32/525,037.95
  6. Step 6: Final answer
    x = 282,180.78

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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.