Home / 374,457.20-561,685.80-108,226.40

Finding the Fourth Proportional to 374,457.20, 561,685.80 and 108,226.40

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Solution

The fourth proportional to 374,457.20, 561,685.80 and 108,226.40 is: 162,339.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,457.20 : 561,685.80 = 108,226.40 : x
  2. Step 2: Convert to fraction form
    374,457.20/561,685.80 = 108,226.40/x
  3. Step 3: Cross multiply
    374,457.20x = 561,685.80 × 108,226.40
  4. Step 4: Simplify right side
    374,457.20x = 60,789,232,065.12
  5. Step 5: Solve for x
    x = 60,789,232,065.12/374,457.20
  6. Step 6: Final answer
    x = 162,339.60

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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.