Home / 369,099.03-509,320.23-207,982.74

Finding the Fourth Proportional to 369,099.03, 509,320.23 and 207,982.74

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Solution

The fourth proportional to 369,099.03, 509,320.23 and 207,982.74 is: 286,995.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,099.03 : 509,320.23 = 207,982.74 : x
  2. Step 2: Convert to fraction form
    369,099.03/509,320.23 = 207,982.74/x
  3. Step 3: Cross multiply
    369,099.03x = 509,320.23 × 207,982.74
  4. Step 4: Simplify right side
    369,099.03x = 105,929,816,972.83
  5. Step 5: Solve for x
    x = 105,929,816,972.83/369,099.03
  6. Step 6: Final answer
    x = 286,995.65

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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.