Finding the Fourth Proportional to 106,349.36, 146,768.64 and 58,602.68
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Solution
The fourth proportional to 106,349.36, 146,768.64 and 58,602.68 is: 80,875.29
Step by Step Solution
- Step 1: Write the proportion equation
106,349.36 : 146,768.64 = 58,602.68 : x - Step 2: Convert to fraction form
106,349.36/146,768.64 = 58,602.68/x - Step 3: Cross multiply
106,349.36x = 146,768.64 × 58,602.68 - Step 4: Simplify right side
106,349.36x = 8,601,035,643.96 - Step 5: Solve for x
x = 8,601,035,643.96/106,349.36 - Step 6: Final answer
x = 80,875.29
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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.