Finding the Fourth Proportional to 164,319.70, 246,382.35 and 85,587.70
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Solution
The fourth proportional to 164,319.70, 246,382.35 and 85,587.70 is: 128,330.92
Step by Step Solution
- Step 1: Write the proportion equation
164,319.70 : 246,382.35 = 85,587.70 : x - Step 2: Convert to fraction form
164,319.70/246,382.35 = 85,587.70/x - Step 3: Cross multiply
164,319.70x = 246,382.35 × 85,587.70 - Step 4: Simplify right side
164,319.70x = 21,087,298,657.10 - Step 5: Solve for x
x = 21,087,298,657.10/164,319.70 - Step 6: Final answer
x = 128,330.92
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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.