Finding the Fourth Proportional to 460,265.60, 690,502.99 and 140,446.08
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Solution
The fourth proportional to 460,265.60, 690,502.99 and 140,446.08 is: 210,701.03
Step by Step Solution
- Step 1: Write the proportion equation
460,265.60 : 690,502.99 = 140,446.08 : x - Step 2: Convert to fraction form
460,265.60/690,502.99 = 140,446.08/x - Step 3: Cross multiply
460,265.60x = 690,502.99 × 140,446.08 - Step 4: Simplify right side
460,265.60x = 96,978,436,447.52 - Step 5: Solve for x
x = 96,978,436,447.52/460,265.60 - Step 6: Final answer
x = 210,701.03
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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.