Finding the Fourth Proportional to 225,036.18, 310,684.68 and 140,268.06
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Solution
The fourth proportional to 225,036.18, 310,684.68 and 140,268.06 is: 193,653.92
Step by Step Solution
- Step 1: Write the proportion equation
225,036.18 : 310,684.68 = 140,268.06 : x - Step 2: Convert to fraction form
225,036.18/310,684.68 = 140,268.06/x - Step 3: Cross multiply
225,036.18x = 310,684.68 × 140,268.06 - Step 4: Simplify right side
225,036.18x = 43,579,137,335.32 - Step 5: Solve for x
x = 43,579,137,335.32/225,036.18 - Step 6: Final answer
x = 193,653.92
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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.