Home / 498,037.20-746,831.16-142,970.64

Finding the Fourth Proportional to 498,037.20, 746,831.16 and 142,970.64

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Solution

The fourth proportional to 498,037.20, 746,831.16 and 142,970.64 is: 214,391.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,037.20 : 746,831.16 = 142,970.64 : x
  2. Step 2: Convert to fraction form
    498,037.20/746,831.16 = 142,970.64/x
  3. Step 3: Cross multiply
    498,037.20x = 746,831.16 × 142,970.64
  4. Step 4: Simplify right side
    498,037.20x = 106,774,928,917.14
  5. Step 5: Solve for x
    x = 106,774,928,917.14/498,037.20
  6. Step 6: Final answer
    x = 214,391.47

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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.