Home / 289,530.04-434,353.10-99,997.35

Finding the Fourth Proportional to 289,530.04, 434,353.10 and 99,997.35

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Solution

The fourth proportional to 289,530.04, 434,353.10 and 99,997.35 is: 150,016.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,530.04 : 434,353.10 = 99,997.35 : x
  2. Step 2: Convert to fraction form
    289,530.04/434,353.10 = 99,997.35/x
  3. Step 3: Cross multiply
    289,530.04x = 434,353.10 × 99,997.35
  4. Step 4: Simplify right side
    289,530.04x = 43,434,158,464.30
  5. Step 5: Solve for x
    x = 43,434,158,464.30/289,530.04
  6. Step 6: Final answer
    x = 150,016.07

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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.