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Finding the Fourth Proportional to 430,989.04, 594,726.78 and 249,643

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Solution

The fourth proportional to 430,989.04, 594,726.78 and 249,643 is: 344,485.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,989.04 : 594,726.78 = 249,643 : x
  2. Step 2: Convert to fraction form
    430,989.04/594,726.78 = 249,643/x
  3. Step 3: Cross multiply
    430,989.04x = 594,726.78 × 249,643
  4. Step 4: Simplify right side
    430,989.04x = 148,469,377,539.54
  5. Step 5: Solve for x
    x = 148,469,377,539.54/430,989.04
  6. Step 6: Final answer
    x = 344,485.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.