Finding the Fourth Proportional to 350,884.16, 526,395.36 and 129,270.08
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Solution
The fourth proportional to 350,884.16, 526,395.36 and 129,270.08 is: 193,930.58
Step by Step Solution
- Step 1: Write the proportion equation
350,884.16 : 526,395.36 = 129,270.08 : x - Step 2: Convert to fraction form
350,884.16/526,395.36 = 129,270.08/x - Step 3: Cross multiply
350,884.16x = 526,395.36 × 129,270.08 - Step 4: Simplify right side
350,884.16x = 68,047,170,298.83 - Step 5: Solve for x
x = 68,047,170,298.83/350,884.16 - Step 6: Final answer
x = 193,930.58
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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.