Home / 260,337.06-390,554.46-118,192.31

Finding the Fourth Proportional to 260,337.06, 390,554.46 and 118,192.31

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Solution

The fourth proportional to 260,337.06, 390,554.46 and 118,192.31 is: 177,310.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,337.06 : 390,554.46 = 118,192.31 : x
  2. Step 2: Convert to fraction form
    260,337.06/390,554.46 = 118,192.31/x
  3. Step 3: Cross multiply
    260,337.06x = 390,554.46 × 118,192.31
  4. Step 4: Simplify right side
    260,337.06x = 46,160,535,516.88
  5. Step 5: Solve for x
    x = 46,160,535,516.88/260,337.06
  6. Step 6: Final answer
    x = 177,310.66

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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.