Finding the Fourth Proportional to 297,654.84, 410,771.08 and 161,688.75
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Solution
The fourth proportional to 297,654.84, 410,771.08 and 161,688.75 is: 223,134.50
Step by Step Solution
- Step 1: Write the proportion equation
297,654.84 : 410,771.08 = 161,688.75 : x - Step 2: Convert to fraction form
297,654.84/410,771.08 = 161,688.75/x - Step 3: Cross multiply
297,654.84x = 410,771.08 × 161,688.75 - Step 4: Simplify right side
297,654.84x = 66,417,062,461.35 - Step 5: Solve for x
x = 66,417,062,461.35/297,654.84 - Step 6: Final answer
x = 223,134.50
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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.