Finding the Fourth Proportional to 114,314.05, 157,753.36 and 63,330.09
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Solution
The fourth proportional to 114,314.05, 157,753.36 and 63,330.09 is: 87,395.51
Step by Step Solution
- Step 1: Write the proportion equation
114,314.05 : 157,753.36 = 63,330.09 : x - Step 2: Convert to fraction form
114,314.05/157,753.36 = 63,330.09/x - Step 3: Cross multiply
114,314.05x = 157,753.36 × 63,330.09 - Step 4: Simplify right side
114,314.05x = 9,990,534,486.60 - Step 5: Solve for x
x = 9,990,534,486.60/114,314.05 - Step 6: Final answer
x = 87,395.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.