Finding the Fourth Proportional to 239,393.06, 358,979.18 and 70,853.12
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Solution
The fourth proportional to 239,393.06, 358,979.18 and 70,853.12 is: 106,247.00
Step by Step Solution
- Step 1: Write the proportion equation
239,393.06 : 358,979.18 = 70,853.12 : x - Step 2: Convert to fraction form
239,393.06/358,979.18 = 70,853.12/x - Step 3: Cross multiply
239,393.06x = 358,979.18 × 70,853.12 - Step 4: Simplify right side
239,393.06x = 25,434,793,300.28 - Step 5: Solve for x
x = 25,434,793,300.28/239,393.06 - Step 6: Final answer
x = 106,247.00
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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.