Finding the Fourth Proportional to 314,817.18, 434,453.08 and 171,585.08
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Solution
The fourth proportional to 314,817.18, 434,453.08 and 171,585.08 is: 236,790.34
Step by Step Solution
- Step 1: Write the proportion equation
314,817.18 : 434,453.08 = 171,585.08 : x - Step 2: Convert to fraction form
314,817.18/434,453.08 = 171,585.08/x - Step 3: Cross multiply
314,817.18x = 434,453.08 × 171,585.08 - Step 4: Simplify right side
314,817.18x = 74,545,666,488.05 - Step 5: Solve for x
x = 74,545,666,488.05/314,817.18 - Step 6: Final answer
x = 236,790.34
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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.