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Finding the Fourth Proportional to 566,415.20, 849,661.20 and 192,466.40

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Solution

The fourth proportional to 566,415.20, 849,661.20 and 192,466.40 is: 288,712.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,415.20 : 849,661.20 = 192,466.40 : x
  2. Step 2: Convert to fraction form
    566,415.20/849,661.20 = 192,466.40/x
  3. Step 3: Cross multiply
    566,415.20x = 849,661.20 × 192,466.40
  4. Step 4: Simplify right side
    566,415.20x = 163,531,232,383.68
  5. Step 5: Solve for x
    x = 163,531,232,383.68/566,415.20
  6. Step 6: Final answer
    x = 288,712.65

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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.