Home / 369,026.20-509,304.54-207,912.34

Finding the Fourth Proportional to 369,026.20, 509,304.54 and 207,912.34

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Solution

The fourth proportional to 369,026.20, 509,304.54 and 207,912.34 is: 286,946.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,026.20 : 509,304.54 = 207,912.34 : x
  2. Step 2: Convert to fraction form
    369,026.20/509,304.54 = 207,912.34/x
  3. Step 3: Cross multiply
    369,026.20x = 509,304.54 × 207,912.34
  4. Step 4: Simplify right side
    369,026.20x = 105,890,698,684.02
  5. Step 5: Solve for x
    x = 105,890,698,684.02/369,026.20
  6. Step 6: Final answer
    x = 286,946.29

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1.5x scale

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.