Home / 289,845.24-434,865.12-112,358.04

Finding the Fourth Proportional to 289,845.24, 434,865.12 and 112,358.04

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Solution

The fourth proportional to 289,845.24, 434,865.12 and 112,358.04 is: 168,574.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,845.24 : 434,865.12 = 112,358.04 : x
  2. Step 2: Convert to fraction form
    289,845.24/434,865.12 = 112,358.04/x
  3. Step 3: Cross multiply
    289,845.24x = 434,865.12 × 112,358.04
  4. Step 4: Simplify right side
    289,845.24x = 48,860,592,547.56
  5. Step 5: Solve for x
    x = 48,860,592,547.56/289,845.24
  6. Step 6: Final answer
    x = 168,574.76

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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.