Finding the Fourth Proportional to 197,473.84, 272,513.62 and 106,829.60
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Solution
The fourth proportional to 197,473.84, 272,513.62 and 106,829.60 is: 147,424.70
Step by Step Solution
- Step 1: Write the proportion equation
197,473.84 : 272,513.62 = 106,829.60 : x - Step 2: Convert to fraction form
197,473.84/272,513.62 = 106,829.60/x - Step 3: Cross multiply
197,473.84x = 272,513.62 × 106,829.60 - Step 4: Simplify right side
197,473.84x = 29,112,521,019.15 - Step 5: Solve for x
x = 29,112,521,019.15/197,473.84 - Step 6: Final answer
x = 147,424.70
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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.