Home / 268,823.80-402,846.90-118,941.40

Finding the Fourth Proportional to 268,823.80, 402,846.90 and 118,941.40

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Solution

The fourth proportional to 268,823.80, 402,846.90 and 118,941.40 is: 178,240.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,823.80 : 402,846.90 = 118,941.40 : x
  2. Step 2: Convert to fraction form
    268,823.80/402,846.90 = 118,941.40/x
  3. Step 3: Cross multiply
    268,823.80x = 402,846.90 × 118,941.40
  4. Step 4: Simplify right side
    268,823.80x = 47,915,174,271.66
  5. Step 5: Solve for x
    x = 47,915,174,271.66/268,823.80
  6. Step 6: Final answer
    x = 178,240.07

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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.