Finding the Fourth Proportional to 235,914.84, 325,566.19 and 128,484.79
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Solution
The fourth proportional to 235,914.84, 325,566.19 and 128,484.79 is: 177,311.03
Step by Step Solution
- Step 1: Write the proportion equation
235,914.84 : 325,566.19 = 128,484.79 : x - Step 2: Convert to fraction form
235,914.84/325,566.19 = 128,484.79/x - Step 3: Cross multiply
235,914.84x = 325,566.19 × 128,484.79 - Step 4: Simplify right side
235,914.84x = 41,830,303,219.20 - Step 5: Solve for x
x = 41,830,303,219.20/235,914.84 - Step 6: Final answer
x = 177,311.03
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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.