Home / 370,037.73-510,665.31-208,921.44

Finding the Fourth Proportional to 370,037.73, 510,665.31 and 208,921.44

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Solution

The fourth proportional to 370,037.73, 510,665.31 and 208,921.44 is: 288,319.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,037.73 : 510,665.31 = 208,921.44 : x
  2. Step 2: Convert to fraction form
    370,037.73/510,665.31 = 208,921.44/x
  3. Step 3: Cross multiply
    370,037.73x = 510,665.31 × 208,921.44
  4. Step 4: Simplify right side
    370,037.73x = 106,688,931,923.25
  5. Step 5: Solve for x
    x = 106,688,931,923.25/370,037.73
  6. Step 6: Final answer
    x = 288,319.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.