Home / 369,040.12-509,273.01-207,947.05

Finding the Fourth Proportional to 369,040.12, 509,273.01 and 207,947.05

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Solution

The fourth proportional to 369,040.12, 509,273.01 and 207,947.05 is: 286,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,040.12 : 509,273.01 = 207,947.05 : x
  2. Step 2: Convert to fraction form
    369,040.12/509,273.01 = 207,947.05/x
  3. Step 3: Cross multiply
    369,040.12x = 509,273.01 × 207,947.05
  4. Step 4: Simplify right side
    369,040.12x = 105,901,820,074.12
  5. Step 5: Solve for x
    x = 105,901,820,074.12/369,040.12
  6. Step 6: Final answer
    x = 286,965.60

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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.