Finding the Fourth Proportional to 132,346.08, 198,587.70 and 65,784.60
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Solution
The fourth proportional to 132,346.08, 198,587.70 and 65,784.60 is: 98,710.99
Step by Step Solution
- Step 1: Write the proportion equation
132,346.08 : 198,587.70 = 65,784.60 : x - Step 2: Convert to fraction form
132,346.08/198,587.70 = 65,784.60/x - Step 3: Cross multiply
132,346.08x = 198,587.70 × 65,784.60 - Step 4: Simplify right side
132,346.08x = 13,064,012,409.42 - Step 5: Solve for x
x = 13,064,012,409.42/132,346.08 - Step 6: Final answer
x = 98,710.99
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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.