Finding the Fourth Proportional to 460,927.74, 690,891.84 and 235,979.55
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Solution
The fourth proportional to 460,927.74, 690,891.84 and 235,979.55 is: 353,713.46
Step by Step Solution
- Step 1: Write the proportion equation
460,927.74 : 690,891.84 = 235,979.55 : x - Step 2: Convert to fraction form
460,927.74/690,891.84 = 235,979.55/x - Step 3: Cross multiply
460,927.74x = 690,891.84 × 235,979.55 - Step 4: Simplify right side
460,927.74x = 163,036,345,501.87 - Step 5: Solve for x
x = 163,036,345,501.87/460,927.74 - Step 6: Final answer
x = 353,713.46
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1.5x scale
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.