Home / 312,581.49-469,444.23-286,230.84

Finding the Fourth Proportional to 312,581.49, 469,444.23 and 286,230.84

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Solution

The fourth proportional to 312,581.49, 469,444.23 and 286,230.84 is: 429,870.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,581.49 : 469,444.23 = 286,230.84 : x
  2. Step 2: Convert to fraction form
    312,581.49/469,444.23 = 286,230.84/x
  3. Step 3: Cross multiply
    312,581.49x = 469,444.23 × 286,230.84
  4. Step 4: Simplify right side
    312,581.49x = 134,369,416,286.05
  5. Step 5: Solve for x
    x = 134,369,416,286.05/312,581.49
  6. Step 6: Final answer
    x = 429,870.04

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1.5x scale

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.