Finding the Fourth Proportional to 116,236.08, 174,430.80 and 42,364.08
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Solution
The fourth proportional to 116,236.08, 174,430.80 and 42,364.08 is: 63,574.07
Step by Step Solution
- Step 1: Write the proportion equation
116,236.08 : 174,430.80 = 42,364.08 : x - Step 2: Convert to fraction form
116,236.08/174,430.80 = 42,364.08/x - Step 3: Cross multiply
116,236.08x = 174,430.80 × 42,364.08 - Step 4: Simplify right side
116,236.08x = 7,389,600,365.66 - Step 5: Solve for x
x = 7,389,600,365.66/116,236.08 - Step 6: Final answer
x = 63,574.07
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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.