Home / 306,759.20-423,682.24-204,607.28

Finding the Fourth Proportional to 306,759.20, 423,682.24 and 204,607.28

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Solution

The fourth proportional to 306,759.20, 423,682.24 and 204,607.28 is: 282,594.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,759.20 : 423,682.24 = 204,607.28 : x
  2. Step 2: Convert to fraction form
    306,759.20/423,682.24 = 204,607.28/x
  3. Step 3: Cross multiply
    306,759.20x = 423,682.24 × 204,607.28
  4. Step 4: Simplify right side
    306,759.20x = 86,688,470,710.71
  5. Step 5: Solve for x
    x = 86,688,470,710.71/306,759.20
  6. Step 6: Final answer
    x = 282,594.53

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1.5x scale

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.