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Finding the Fourth Proportional to 272,014.80, 407,623.80 and 243,934.80

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Solution

The fourth proportional to 272,014.80, 407,623.80 and 243,934.80 is: 365,544.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,014.80 : 407,623.80 = 243,934.80 : x
  2. Step 2: Convert to fraction form
    272,014.80/407,623.80 = 243,934.80/x
  3. Step 3: Cross multiply
    272,014.80x = 407,623.80 × 243,934.80
  4. Step 4: Simplify right side
    272,014.80x = 99,433,630,128.24
  5. Step 5: Solve for x
    x = 99,433,630,128.24/272,014.80
  6. Step 6: Final answer
    x = 365,544.93

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1.5x scale

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.