Home / 369,077.40-509,324.47-207,984.19

Finding the Fourth Proportional to 369,077.40, 509,324.47 and 207,984.19

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Solution

The fourth proportional to 369,077.40, 509,324.47 and 207,984.19 is: 287,016.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,077.40 : 509,324.47 = 207,984.19 : x
  2. Step 2: Convert to fraction form
    369,077.40/509,324.47 = 207,984.19/x
  3. Step 3: Cross multiply
    369,077.40x = 509,324.47 × 207,984.19
  4. Step 4: Simplify right side
    369,077.40x = 105,931,437,340.13
  5. Step 5: Solve for x
    x = 105,931,437,340.13/369,077.40
  6. Step 6: Final answer
    x = 287,016.86

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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.