Home / 430,727.60-646,136.76-150,247.28

Finding the Fourth Proportional to 430,727.60, 646,136.76 and 150,247.28

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Solution

The fourth proportional to 430,727.60, 646,136.76 and 150,247.28 is: 225,386.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,727.60 : 646,136.76 = 150,247.28 : x
  2. Step 2: Convert to fraction form
    430,727.60/646,136.76 = 150,247.28/x
  3. Step 3: Cross multiply
    430,727.60x = 646,136.76 × 150,247.28
  4. Step 4: Simplify right side
    430,727.60x = 97,080,290,698.01
  5. Step 5: Solve for x
    x = 97,080,290,698.01/430,727.60
  6. Step 6: Final answer
    x = 225,386.74

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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.