Finding the Fourth Proportional to 295,020.05, 407,192.13 and 187,569.09
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Solution
The fourth proportional to 295,020.05, 407,192.13 and 187,569.09 is: 258,886.33
Step by Step Solution
- Step 1: Write the proportion equation
295,020.05 : 407,192.13 = 187,569.09 : x - Step 2: Convert to fraction form
295,020.05/407,192.13 = 187,569.09/x - Step 3: Cross multiply
295,020.05x = 407,192.13 × 187,569.09 - Step 4: Simplify right side
295,020.05x = 76,376,657,279.26 - Step 5: Solve for x
x = 76,376,657,279.26/295,020.05 - Step 6: Final answer
x = 258,886.33
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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.