Finding the Fourth Proportional to 664,917.18, 997,395.93 and 215,625.66
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Solution
The fourth proportional to 664,917.18, 997,395.93 and 215,625.66 is: 323,445.03
Step by Step Solution
- Step 1: Write the proportion equation
664,917.18 : 997,395.93 = 215,625.66 : x - Step 2: Convert to fraction form
664,917.18/997,395.93 = 215,625.66/x - Step 3: Cross multiply
664,917.18x = 997,395.93 × 215,625.66 - Step 4: Simplify right side
664,917.18x = 215,064,155,687.56 - Step 5: Solve for x
x = 215,064,155,687.56/664,917.18 - Step 6: Final answer
x = 323,445.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.