Finding the Fourth Proportional to 230,240.36, 344,722.84 and 117,678.17
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Solution
The fourth proportional to 230,240.36, 344,722.84 and 117,678.17 is: 176,191.32
Step by Step Solution
- Step 1: Write the proportion equation
230,240.36 : 344,722.84 = 117,678.17 : x - Step 2: Convert to fraction form
230,240.36/344,722.84 = 117,678.17/x - Step 3: Cross multiply
230,240.36x = 344,722.84 × 117,678.17 - Step 4: Simplify right side
230,240.36x = 40,566,352,968.40 - Step 5: Solve for x
x = 40,566,352,968.40/230,240.36 - Step 6: Final answer
x = 176,191.32
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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.