Finding the Fourth Proportional to 664,953.60, 997,138.80 and 265,461.60
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Solution
The fourth proportional to 664,953.60, 997,138.80 and 265,461.60 is: 398,075.99
Step by Step Solution
- Step 1: Write the proportion equation
664,953.60 : 997,138.80 = 265,461.60 : x - Step 2: Convert to fraction form
664,953.60/997,138.80 = 265,461.60/x - Step 3: Cross multiply
664,953.60x = 997,138.80 × 265,461.60 - Step 4: Simplify right side
664,953.60x = 264,702,061,270.08 - Step 5: Solve for x
x = 264,702,061,270.08/664,953.60 - Step 6: Final answer
x = 398,075.99
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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.