Home / 451,779.12-677,495.76-152,179.20

Finding the Fourth Proportional to 451,779.12, 677,495.76 and 152,179.20

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Solution

The fourth proportional to 451,779.12, 677,495.76 and 152,179.20 is: 228,210.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,779.12 : 677,495.76 = 152,179.20 : x
  2. Step 2: Convert to fraction form
    451,779.12/677,495.76 = 152,179.20/x
  3. Step 3: Cross multiply
    451,779.12x = 677,495.76 × 152,179.20
  4. Step 4: Simplify right side
    451,779.12x = 103,100,762,760.19
  5. Step 5: Solve for x
    x = 103,100,762,760.19/451,779.12
  6. Step 6: Final answer
    x = 228,210.55

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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.