Finding the Fourth Proportional to 397,888.19, 596,941.73 and 117,405.44
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Solution
The fourth proportional to 397,888.19, 596,941.73 and 117,405.44 is: 176,140.45
Step by Step Solution
- Step 1: Write the proportion equation
397,888.19 : 596,941.73 = 117,405.44 : x - Step 2: Convert to fraction form
397,888.19/596,941.73 = 117,405.44/x - Step 3: Cross multiply
397,888.19x = 596,941.73 × 117,405.44 - Step 4: Simplify right side
397,888.19x = 70,084,206,465.01 - Step 5: Solve for x
x = 70,084,206,465.01/397,888.19 - Step 6: Final answer
x = 176,140.45
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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.