Finding the Fourth Proportional to 812,188.08, 1,218,489.48 and 243,567
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Solution
The fourth proportional to 812,188.08, 1,218,489.48 and 243,567 is: 365,412.69
Step by Step Solution
- Step 1: Write the proportion equation
812,188.08 : 1,218,489.48 = 243,567 : x - Step 2: Convert to fraction form
812,188.08/1,218,489.48 = 243,567/x - Step 3: Cross multiply
812,188.08x = 1,218,489.48 × 243,567 - Step 4: Simplify right side
812,188.08x = 296,783,827,175.16 - Step 5: Solve for x
x = 296,783,827,175.16/812,188.08 - Step 6: Final answer
x = 365,412.69
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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.