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Finding the Fourth Proportional to 374,173.32, 561,264.84 and 124,855.32

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Solution

The fourth proportional to 374,173.32, 561,264.84 and 124,855.32 is: 187,284.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,173.32 : 561,264.84 = 124,855.32 : x
  2. Step 2: Convert to fraction form
    374,173.32/561,264.84 = 124,855.32/x
  3. Step 3: Cross multiply
    374,173.32x = 561,264.84 × 124,855.32
  4. Step 4: Simplify right side
    374,173.32x = 70,076,901,202.95
  5. Step 5: Solve for x
    x = 70,076,901,202.95/374,173.32
  6. Step 6: Final answer
    x = 187,284.60

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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.