Home / 219,311.60-328,967.40-166,823.60

Finding the Fourth Proportional to 219,311.60, 328,967.40 and 166,823.60

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Solution

The fourth proportional to 219,311.60, 328,967.40 and 166,823.60 is: 250,235.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,311.60 : 328,967.40 = 166,823.60 : x
  2. Step 2: Convert to fraction form
    219,311.60/328,967.40 = 166,823.60/x
  3. Step 3: Cross multiply
    219,311.60x = 328,967.40 × 166,823.60
  4. Step 4: Simplify right side
    219,311.60x = 54,879,525,950.64
  5. Step 5: Solve for x
    x = 54,879,525,950.64/219,311.60
  6. Step 6: Final answer
    x = 250,235.40

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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.