Home / 430,530.85-645,446.35-150,244.93

Finding the Fourth Proportional to 430,530.85, 645,446.35 and 150,244.93

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Solution

The fourth proportional to 430,530.85, 645,446.35 and 150,244.93 is: 225,245.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,530.85 : 645,446.35 = 150,244.93 : x
  2. Step 2: Convert to fraction form
    430,530.85/645,446.35 = 150,244.93/x
  3. Step 3: Cross multiply
    430,530.85x = 645,446.35 × 150,244.93
  4. Step 4: Simplify right side
    430,530.85x = 96,975,041,674.51
  5. Step 5: Solve for x
    x = 96,975,041,674.51/430,530.85
  6. Step 6: Final answer
    x = 225,245.28

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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.