Finding the Fourth Proportional to 178,028.06, 245,678.69 and 97,455.63
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Solution
The fourth proportional to 178,028.06, 245,678.69 and 97,455.63 is: 134,488.76
Step by Step Solution
- Step 1: Write the proportion equation
178,028.06 : 245,678.69 = 97,455.63 : x - Step 2: Convert to fraction form
178,028.06/245,678.69 = 97,455.63/x - Step 3: Cross multiply
178,028.06x = 245,678.69 × 97,455.63 - Step 4: Simplify right side
178,028.06x = 23,942,771,755.16 - Step 5: Solve for x
x = 23,942,771,755.16/178,028.06 - Step 6: Final answer
x = 134,488.76
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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.