Finding the Fourth Proportional to 219,988.09, 303,583.56 and 119,386.09
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Solution
The fourth proportional to 219,988.09, 303,583.56 and 119,386.09 is: 164,752.80
Step by Step Solution
- Step 1: Write the proportion equation
219,988.09 : 303,583.56 = 119,386.09 : x - Step 2: Convert to fraction form
219,988.09/303,583.56 = 119,386.09/x - Step 3: Cross multiply
219,988.09x = 303,583.56 × 119,386.09 - Step 4: Simplify right side
219,988.09x = 36,243,654,216.68 - Step 5: Solve for x
x = 36,243,654,216.68/219,988.09 - Step 6: Final answer
x = 164,752.80
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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.