Finding the Fourth Proportional to 235,842.64, 325,465.08 and 135,221.20
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Solution
The fourth proportional to 235,842.64, 325,465.08 and 135,221.20 is: 186,606.54
Step by Step Solution
- Step 1: Write the proportion equation
235,842.64 : 325,465.08 = 135,221.20 : x - Step 2: Convert to fraction form
235,842.64/325,465.08 = 135,221.20/x - Step 3: Cross multiply
235,842.64x = 325,465.08 × 135,221.20 - Step 4: Simplify right side
235,842.64x = 44,009,778,675.70 - Step 5: Solve for x
x = 44,009,778,675.70/235,842.64 - Step 6: Final answer
x = 186,606.54
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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.