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Finding the Fourth Proportional to 374,014.91, 561,146.90 and 121,303.64

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Solution

The fourth proportional to 374,014.91, 561,146.90 and 121,303.64 is: 181,995.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,014.91 : 561,146.90 = 121,303.64 : x
  2. Step 2: Convert to fraction form
    374,014.91/561,146.90 = 121,303.64/x
  3. Step 3: Cross multiply
    374,014.91x = 561,146.90 × 121,303.64
  4. Step 4: Simplify right side
    374,014.91x = 68,069,158,132.46
  5. Step 5: Solve for x
    x = 68,069,158,132.46/374,014.91
  6. Step 6: Final answer
    x = 181,995.84

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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.