Home / 289,550.12-434,068.24-109,509.62

Finding the Fourth Proportional to 289,550.12, 434,068.24 and 109,509.62

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Solution

The fourth proportional to 289,550.12, 434,068.24 and 109,509.62 is: 164,167.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,550.12 : 434,068.24 = 109,509.62 : x
  2. Step 2: Convert to fraction form
    289,550.12/434,068.24 = 109,509.62/x
  3. Step 3: Cross multiply
    289,550.12x = 434,068.24 × 109,509.62
  4. Step 4: Simplify right side
    289,550.12x = 47,534,648,527.31
  5. Step 5: Solve for x
    x = 47,534,648,527.31/289,550.12
  6. Step 6: Final answer
    x = 164,167.25

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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.