Finding the Fourth Proportional to 178,054.64, 245,716.12 and 97,489.66
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Solution
The fourth proportional to 178,054.64, 245,716.12 and 97,489.66 is: 134,536.12
Step by Step Solution
- Step 1: Write the proportion equation
178,054.64 : 245,716.12 = 97,489.66 : x - Step 2: Convert to fraction form
178,054.64/245,716.12 = 97,489.66/x - Step 3: Cross multiply
178,054.64x = 245,716.12 × 97,489.66 - Step 4: Simplify right side
178,054.64x = 23,954,781,302.46 - Step 5: Solve for x
x = 23,954,781,302.46/178,054.64 - Step 6: Final answer
x = 134,536.12
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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.