Finding the Fourth Proportional to 219,107.96, 302,369.14 and 118,505.96
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Solution
The fourth proportional to 219,107.96, 302,369.14 and 118,505.96 is: 163,538.31
Step by Step Solution
- Step 1: Write the proportion equation
219,107.96 : 302,369.14 = 118,505.96 : x - Step 2: Convert to fraction form
219,107.96/302,369.14 = 118,505.96/x - Step 3: Cross multiply
219,107.96x = 302,369.14 × 118,505.96 - Step 4: Simplify right side
219,107.96x = 35,832,545,210.07 - Step 5: Solve for x
x = 35,832,545,210.07/219,107.96 - Step 6: Final answer
x = 163,538.31
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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.