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Finding the Fourth Proportional to 240,335.84, 360,477.80 and 80,393.63

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Solution

The fourth proportional to 240,335.84, 360,477.80 and 80,393.63 is: 120,581.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,335.84 : 360,477.80 = 80,393.63 : x
  2. Step 2: Convert to fraction form
    240,335.84/360,477.80 = 80,393.63/x
  3. Step 3: Cross multiply
    240,335.84x = 360,477.80 × 80,393.63
  4. Step 4: Simplify right side
    240,335.84x = 28,980,116,672.06
  5. Step 5: Solve for x
    x = 28,980,116,672.06/240,335.84
  6. Step 6: Final answer
    x = 120,581.75

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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.