Finding the Fourth Proportional to 239,055.23, 329,908.34 and 135,696.70
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Solution
The fourth proportional to 239,055.23, 329,908.34 and 135,696.70 is: 187,268.33
Step by Step Solution
- Step 1: Write the proportion equation
239,055.23 : 329,908.34 = 135,696.70 : x - Step 2: Convert to fraction form
239,055.23/329,908.34 = 135,696.70/x - Step 3: Cross multiply
239,055.23x = 329,908.34 × 135,696.70 - Step 4: Simplify right side
239,055.23x = 44,767,473,792.11 - Step 5: Solve for x
x = 44,767,473,792.11/239,055.23 - Step 6: Final answer
x = 187,268.33
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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.