Finding the Fourth Proportional to 310,921.56, 466,394.40 and 97,834.80
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Solution
The fourth proportional to 310,921.56, 466,394.40 and 97,834.80 is: 146,755.99
Step by Step Solution
- Step 1: Write the proportion equation
310,921.56 : 466,394.40 = 97,834.80 : x - Step 2: Convert to fraction form
310,921.56/466,394.40 = 97,834.80/x - Step 3: Cross multiply
310,921.56x = 466,394.40 × 97,834.80 - Step 4: Simplify right side
310,921.56x = 45,629,602,845.12 - Step 5: Solve for x
x = 45,629,602,845.12/310,921.56 - Step 6: Final answer
x = 146,755.99
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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.