Finding the Fourth Proportional to 109,637.35, 151,273.88 and 64,312.99
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Solution
The fourth proportional to 109,637.35, 151,273.88 and 64,312.99 is: 88,736.87
Step by Step Solution
- Step 1: Write the proportion equation
109,637.35 : 151,273.88 = 64,312.99 : x - Step 2: Convert to fraction form
109,637.35/151,273.88 = 64,312.99/x - Step 3: Cross multiply
109,637.35x = 151,273.88 × 64,312.99 - Step 4: Simplify right side
109,637.35x = 9,728,875,073.13 - Step 5: Solve for x
x = 9,728,875,073.13/109,637.35 - Step 6: Final answer
x = 88,736.87
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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.