Home / 272,431.04-408,642.45-122,565.50

Finding the Fourth Proportional to 272,431.04, 408,642.45 and 122,565.50

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Solution

The fourth proportional to 272,431.04, 408,642.45 and 122,565.50 is: 183,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,431.04 : 408,642.45 = 122,565.50 : x
  2. Step 2: Convert to fraction form
    272,431.04/408,642.45 = 122,565.50/x
  3. Step 3: Cross multiply
    272,431.04x = 408,642.45 × 122,565.50
  4. Step 4: Simplify right side
    272,431.04x = 50,085,464,162.26
  5. Step 5: Solve for x
    x = 50,085,464,162.26/272,431.04
  6. Step 6: Final answer
    x = 183,846.40

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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.