Home / 430,869.37-646,599.26-150,386.62

Finding the Fourth Proportional to 430,869.37, 646,599.26 and 150,386.62

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Solution

The fourth proportional to 430,869.37, 646,599.26 and 150,386.62 is: 225,682.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,869.37 : 646,599.26 = 150,386.62 : x
  2. Step 2: Convert to fraction form
    430,869.37/646,599.26 = 150,386.62/x
  3. Step 3: Cross multiply
    430,869.37x = 646,599.26 × 150,386.62
  4. Step 4: Simplify right side
    430,869.37x = 97,239,877,205.90
  5. Step 5: Solve for x
    x = 97,239,877,205.90/430,869.37
  6. Step 6: Final answer
    x = 225,682.97

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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.