Finding the Fourth Proportional to 291,506.79, 437,260.19 and 166,760.31
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Solution
The fourth proportional to 291,506.79, 437,260.19 and 166,760.31 is: 250,140.47
Step by Step Solution
- Step 1: Write the proportion equation
291,506.79 : 437,260.19 = 166,760.31 : x - Step 2: Convert to fraction form
291,506.79/437,260.19 = 166,760.31/x - Step 3: Cross multiply
291,506.79x = 437,260.19 × 166,760.31 - Step 4: Simplify right side
291,506.79x = 72,917,644,835.06 - Step 5: Solve for x
x = 72,917,644,835.06/291,506.79 - Step 6: Final answer
x = 250,140.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.