Finding the Fourth Proportional to 219,986.09, 303,580.80 and 119,384.09
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Solution
The fourth proportional to 219,986.09, 303,580.80 and 119,384.09 is: 164,750.04
Step by Step Solution
- Step 1: Write the proportion equation
219,986.09 : 303,580.80 = 119,384.09 : x - Step 2: Convert to fraction form
219,986.09/303,580.80 = 119,384.09/x - Step 3: Cross multiply
219,986.09x = 303,580.80 × 119,384.09 - Step 4: Simplify right side
219,986.09x = 36,242,716,316.18 - Step 5: Solve for x
x = 36,242,716,316.18/219,986.09 - Step 6: Final answer
x = 164,750.04
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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.