Finding the Fourth Proportional to 235,128.69, 351,913.14 and 214,117.02
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Solution
The fourth proportional to 235,128.69, 351,913.14 and 214,117.02 is: 320,465.33
Step by Step Solution
- Step 1: Write the proportion equation
235,128.69 : 351,913.14 = 214,117.02 : x - Step 2: Convert to fraction form
235,128.69/351,913.14 = 214,117.02/x - Step 3: Cross multiply
235,128.69x = 351,913.14 × 214,117.02 - Step 4: Simplify right side
235,128.69x = 75,350,592,835.64 - Step 5: Solve for x
x = 75,350,592,835.64/235,128.69 - Step 6: Final answer
x = 320,465.33
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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.