Home / 369,639.52-510,305.64-240,690.36

Finding the Fourth Proportional to 369,639.52, 510,305.64 and 240,690.36

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Solution

The fourth proportional to 369,639.52, 510,305.64 and 240,690.36 is: 332,284.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,639.52 : 510,305.64 = 240,690.36 : x
  2. Step 2: Convert to fraction form
    369,639.52/510,305.64 = 240,690.36/x
  3. Step 3: Cross multiply
    369,639.52x = 510,305.64 × 240,690.36
  4. Step 4: Simplify right side
    369,639.52x = 122,825,648,201.63
  5. Step 5: Solve for x
    x = 122,825,648,201.63/369,639.52
  6. Step 6: Final answer
    x = 332,284.95

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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.