Home / 331,429.20-497,143.80-94,779.60

Finding the Fourth Proportional to 331,429.20, 497,143.80 and 94,779.60

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Solution

The fourth proportional to 331,429.20, 497,143.80 and 94,779.60 is: 142,169.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,429.20 : 497,143.80 = 94,779.60 : x
  2. Step 2: Convert to fraction form
    331,429.20/497,143.80 = 94,779.60/x
  3. Step 3: Cross multiply
    331,429.20x = 497,143.80 × 94,779.60
  4. Step 4: Simplify right side
    331,429.20x = 47,119,090,506.48
  5. Step 5: Solve for x
    x = 47,119,090,506.48/331,429.20
  6. Step 6: Final answer
    x = 142,169.40

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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.