Home / 309,532.93-426,973.95-194,629.43

Finding the Fourth Proportional to 309,532.93, 426,973.95 and 194,629.43

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Solution

The fourth proportional to 309,532.93, 426,973.95 and 194,629.43 is: 268,474.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,532.93 : 426,973.95 = 194,629.43 : x
  2. Step 2: Convert to fraction form
    309,532.93/426,973.95 = 194,629.43/x
  3. Step 3: Cross multiply
    309,532.93x = 426,973.95 × 194,629.43
  4. Step 4: Simplify right side
    309,532.93x = 83,101,697,580.78
  5. Step 5: Solve for x
    x = 83,101,697,580.78/309,532.93
  6. Step 6: Final answer
    x = 268,474.50

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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.