Home / 288,779.04-433,223.40-131,020.32

Finding the Fourth Proportional to 288,779.04, 433,223.40 and 131,020.32

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Solution

The fourth proportional to 288,779.04, 433,223.40 and 131,020.32 is: 196,555.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,779.04 : 433,223.40 = 131,020.32 : x
  2. Step 2: Convert to fraction form
    288,779.04/433,223.40 = 131,020.32/x
  3. Step 3: Cross multiply
    288,779.04x = 433,223.40 × 131,020.32
  4. Step 4: Simplify right side
    288,779.04x = 56,761,068,499.49
  5. Step 5: Solve for x
    x = 56,761,068,499.49/288,779.04
  6. Step 6: Final answer
    x = 196,555.36

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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.