Finding the Fourth Proportional to 107,303.16, 160,954.76 and 40,743.32
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Solution
The fourth proportional to 107,303.16, 160,954.76 and 40,743.32 is: 61,114.99
Step by Step Solution
- Step 1: Write the proportion equation
107,303.16 : 160,954.76 = 40,743.32 : x - Step 2: Convert to fraction form
107,303.16/160,954.76 = 40,743.32/x - Step 3: Cross multiply
107,303.16x = 160,954.76 × 40,743.32 - Step 4: Simplify right side
107,303.16x = 6,557,831,292.20 - Step 5: Solve for x
x = 6,557,831,292.20/107,303.16 - Step 6: Final answer
x = 61,114.99
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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.