Home / 446,779.10-670,255.05-131,246.30

Finding the Fourth Proportional to 446,779.10, 670,255.05 and 131,246.30

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Solution

The fourth proportional to 446,779.10, 670,255.05 and 131,246.30 is: 196,894.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,779.10 : 670,255.05 = 131,246.30 : x
  2. Step 2: Convert to fraction form
    446,779.10/670,255.05 = 131,246.30/x
  3. Step 3: Cross multiply
    446,779.10x = 670,255.05 × 131,246.30
  4. Step 4: Simplify right side
    446,779.10x = 87,968,495,368.82
  5. Step 5: Solve for x
    x = 87,968,495,368.82/446,779.10
  6. Step 6: Final answer
    x = 196,894.83

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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.