Home / 289,798.24-434,769.36-102,828.64

Finding the Fourth Proportional to 289,798.24, 434,769.36 and 102,828.64

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Solution

The fourth proportional to 289,798.24, 434,769.36 and 102,828.64 is: 154,268.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,798.24 : 434,769.36 = 102,828.64 : x
  2. Step 2: Convert to fraction form
    289,798.24/434,769.36 = 102,828.64/x
  3. Step 3: Cross multiply
    289,798.24x = 434,769.36 × 102,828.64
  4. Step 4: Simplify right side
    289,798.24x = 44,706,742,002.47
  5. Step 5: Solve for x
    x = 44,706,742,002.47/289,798.24
  6. Step 6: Final answer
    x = 154,268.51

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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.