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Finding the Fourth Proportional to 293,444.40, 440,166.60 and 213,740.40

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Solution

The fourth proportional to 293,444.40, 440,166.60 and 213,740.40 is: 320,610.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,444.40 : 440,166.60 = 213,740.40 : x
  2. Step 2: Convert to fraction form
    293,444.40/440,166.60 = 213,740.40/x
  3. Step 3: Cross multiply
    293,444.40x = 440,166.60 × 213,740.40
  4. Step 4: Simplify right side
    293,444.40x = 94,081,385,150.64
  5. Step 5: Solve for x
    x = 94,081,385,150.64/293,444.40
  6. Step 6: Final answer
    x = 320,610.60

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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.