Finding the Fourth Proportional to 286,376.88, 395,176.96 and 165,526.00
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Solution
The fourth proportional to 286,376.88, 395,176.96 and 165,526.00 is: 228,412.50
Step by Step Solution
- Step 1: Write the proportion equation
286,376.88 : 395,176.96 = 165,526.00 : x - Step 2: Convert to fraction form
286,376.88/395,176.96 = 165,526.00/x - Step 3: Cross multiply
286,376.88x = 395,176.96 × 165,526.00 - Step 4: Simplify right side
286,376.88x = 65,412,060,699.93 - Step 5: Solve for x
x = 65,412,060,699.93/286,376.88 - Step 6: Final answer
x = 228,412.50
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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.