Finding the Fourth Proportional to 310,419.26, 465,628.90 and 88,803.26
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Solution
The fourth proportional to 310,419.26, 465,628.90 and 88,803.26 is: 133,204.89
Step by Step Solution
- Step 1: Write the proportion equation
310,419.26 : 465,628.90 = 88,803.26 : x - Step 2: Convert to fraction form
310,419.26/465,628.90 = 88,803.26/x - Step 3: Cross multiply
310,419.26x = 465,628.90 × 88,803.26 - Step 4: Simplify right side
310,419.26x = 41,349,364,270.21 - Step 5: Solve for x
x = 41,349,364,270.21/310,419.26 - Step 6: Final answer
x = 133,204.89
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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.