Finding the Fourth Proportional to 286,417.60, 395,268.80 and 159,093.19
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Solution
The fourth proportional to 286,417.60, 395,268.80 and 159,093.19 is: 219,555.55
Step by Step Solution
- Step 1: Write the proportion equation
286,417.60 : 395,268.80 = 159,093.19 : x - Step 2: Convert to fraction form
286,417.60/395,268.80 = 159,093.19/x - Step 3: Cross multiply
286,417.60x = 395,268.80 × 159,093.19 - Step 4: Simplify right side
286,417.60x = 62,884,573,998.09 - Step 5: Solve for x
x = 62,884,573,998.09/286,417.60 - Step 6: Final answer
x = 219,555.55
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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.