Home / 401,464.40-602,196.60-243,741.20

Finding the Fourth Proportional to 401,464.40, 602,196.60 and 243,741.20

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Solution

The fourth proportional to 401,464.40, 602,196.60 and 243,741.20 is: 365,611.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,464.40 : 602,196.60 = 243,741.20 : x
  2. Step 2: Convert to fraction form
    401,464.40/602,196.60 = 243,741.20/x
  3. Step 3: Cross multiply
    401,464.40x = 602,196.60 × 243,741.20
  4. Step 4: Simplify right side
    401,464.40x = 146,780,121,919.92
  5. Step 5: Solve for x
    x = 146,780,121,919.92/401,464.40
  6. Step 6: Final answer
    x = 365,611.80

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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.