Home / 235,629.60-353,444.40-142,317.60

Finding the Fourth Proportional to 235,629.60, 353,444.40 and 142,317.60

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Solution

The fourth proportional to 235,629.60, 353,444.40 and 142,317.60 is: 213,476.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,629.60 : 353,444.40 = 142,317.60 : x
  2. Step 2: Convert to fraction form
    235,629.60/353,444.40 = 142,317.60/x
  3. Step 3: Cross multiply
    235,629.60x = 353,444.40 × 142,317.60
  4. Step 4: Simplify right side
    235,629.60x = 50,301,358,741.44
  5. Step 5: Solve for x
    x = 50,301,358,741.44/235,629.60
  6. Step 6: Final answer
    x = 213,476.40

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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.