Finding the Fourth Proportional to 133,202.88, 183,832.69 and 72,782.71
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Solution
The fourth proportional to 133,202.88, 183,832.69 and 72,782.71 is: 100,447.09
Step by Step Solution
- Step 1: Write the proportion equation
133,202.88 : 183,832.69 = 72,782.71 : x - Step 2: Convert to fraction form
133,202.88/183,832.69 = 72,782.71/x - Step 3: Cross multiply
133,202.88x = 183,832.69 × 72,782.71 - Step 4: Simplify right side
133,202.88x = 13,379,842,152.29 - Step 5: Solve for x
x = 13,379,842,152.29/133,202.88 - Step 6: Final answer
x = 100,447.09
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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.