Home / 245,830.32-368,453.88-105,292.08

Finding the Fourth Proportional to 245,830.32, 368,453.88 and 105,292.08

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Solution

The fourth proportional to 245,830.32, 368,453.88 and 105,292.08 is: 157,813.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,830.32 : 368,453.88 = 105,292.08 : x
  2. Step 2: Convert to fraction form
    245,830.32/368,453.88 = 105,292.08/x
  3. Step 3: Cross multiply
    245,830.32x = 368,453.88 × 105,292.08
  4. Step 4: Simplify right side
    245,830.32x = 38,795,275,409.27
  5. Step 5: Solve for x
    x = 38,795,275,409.27/245,830.32
  6. Step 6: Final answer
    x = 157,813.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.