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Finding the Fourth Proportional to 450,005.15, 675,008.32 and 183,765.63

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Solution

The fourth proportional to 450,005.15, 675,008.32 and 183,765.63 is: 275,648.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,005.15 : 675,008.32 = 183,765.63 : x
  2. Step 2: Convert to fraction form
    450,005.15/675,008.32 = 183,765.63/x
  3. Step 3: Cross multiply
    450,005.15x = 675,008.32 × 183,765.63
  4. Step 4: Simplify right side
    450,005.15x = 124,043,328,261.21
  5. Step 5: Solve for x
    x = 124,043,328,261.21/450,005.15
  6. Step 6: Final answer
    x = 275,648.69

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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.