Home / 430,550.64-645,829.20-150,068.16

Finding the Fourth Proportional to 430,550.64, 645,829.20 and 150,068.16

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Solution

The fourth proportional to 430,550.64, 645,829.20 and 150,068.16 is: 225,103.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,550.64 : 645,829.20 = 150,068.16 : x
  2. Step 2: Convert to fraction form
    430,550.64/645,829.20 = 150,068.16/x
  3. Step 3: Cross multiply
    430,550.64x = 645,829.20 × 150,068.16
  4. Step 4: Simplify right side
    430,550.64x = 96,918,399,718.27
  5. Step 5: Solve for x
    x = 96,918,399,718.27/430,550.64
  6. Step 6: Final answer
    x = 225,103.37

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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.