Home / 289,323.10-433,667.85-102,238.30

Finding the Fourth Proportional to 289,323.10, 433,667.85 and 102,238.30

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Solution

The fourth proportional to 289,323.10, 433,667.85 and 102,238.30 is: 153,245.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,323.10 : 433,667.85 = 102,238.30 : x
  2. Step 2: Convert to fraction form
    289,323.10/433,667.85 = 102,238.30/x
  3. Step 3: Cross multiply
    289,323.10x = 433,667.85 × 102,238.30
  4. Step 4: Simplify right side
    289,323.10x = 44,337,463,748.66
  5. Step 5: Solve for x
    x = 44,337,463,748.66/289,323.10
  6. Step 6: Final answer
    x = 153,245.50

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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.