Home / 369,439.53-509,816.35-208,293.17

Finding the Fourth Proportional to 369,439.53, 509,816.35 and 208,293.17

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Solution

The fourth proportional to 369,439.53, 509,816.35 and 208,293.17 is: 287,438.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,439.53 : 509,816.35 = 208,293.17 : x
  2. Step 2: Convert to fraction form
    369,439.53/509,816.35 = 208,293.17/x
  3. Step 3: Cross multiply
    369,439.53x = 509,816.35 × 208,293.17
  4. Step 4: Simplify right side
    369,439.53x = 106,191,263,659.33
  5. Step 5: Solve for x
    x = 106,191,263,659.33/369,439.53
  6. Step 6: Final answer
    x = 287,438.82

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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.