Home / 402,729.27-603,277.95-186,280.36

Finding the Fourth Proportional to 402,729.27, 603,277.95 and 186,280.36

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Solution

The fourth proportional to 402,729.27, 603,277.95 and 186,280.36 is: 279,043.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,729.27 : 603,277.95 = 186,280.36 : x
  2. Step 2: Convert to fraction form
    402,729.27/603,277.95 = 186,280.36/x
  3. Step 3: Cross multiply
    402,729.27x = 603,277.95 × 186,280.36
  4. Step 4: Simplify right side
    402,729.27x = 112,378,834,027.57
  5. Step 5: Solve for x
    x = 112,378,834,027.57/402,729.27
  6. Step 6: Final answer
    x = 279,043.13

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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.