Finding the Fourth Proportional to 310,561.42, 428,572.18 and 174,595.97
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Solution
The fourth proportional to 310,561.42, 428,572.18 and 174,595.97 is: 240,940.99
Step by Step Solution
- Step 1: Write the proportion equation
310,561.42 : 428,572.18 = 174,595.97 : x - Step 2: Convert to fraction form
310,561.42/428,572.18 = 174,595.97/x - Step 3: Cross multiply
310,561.42x = 428,572.18 × 174,595.97 - Step 4: Simplify right side
310,561.42x = 74,826,974,291.66 - Step 5: Solve for x
x = 74,826,974,291.66/310,561.42 - Step 6: Final answer
x = 240,940.99
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1.5x scale
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.