Home / 430,940.55-646,386.23-164,727.98

Finding the Fourth Proportional to 430,940.55, 646,386.23 and 164,727.98

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Solution

The fourth proportional to 430,940.55, 646,386.23 and 164,727.98 is: 247,082.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,940.55 : 646,386.23 = 164,727.98 : x
  2. Step 2: Convert to fraction form
    430,940.55/646,386.23 = 164,727.98/x
  3. Step 3: Cross multiply
    430,940.55x = 646,386.23 × 164,727.98
  4. Step 4: Simplify right side
    430,940.55x = 106,477,896,644.96
  5. Step 5: Solve for x
    x = 106,477,896,644.96/430,940.55
  6. Step 6: Final answer
    x = 247,082.56

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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.