Finding the Fourth Proportional to 310,684.29, 428,740.23 and 174,718.19
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Solution
The fourth proportional to 310,684.29, 428,740.23 and 174,718.19 is: 241,108.80
Step by Step Solution
- Step 1: Write the proportion equation
310,684.29 : 428,740.23 = 174,718.19 : x - Step 2: Convert to fraction form
310,684.29/428,740.23 = 174,718.19/x - Step 3: Cross multiply
310,684.29x = 428,740.23 × 174,718.19 - Step 4: Simplify right side
310,684.29x = 74,908,716,965.78 - Step 5: Solve for x
x = 74,908,716,965.78/310,684.29 - Step 6: Final answer
x = 241,108.80
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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.