Finding the Fourth Proportional to 343,711.98, 515,444.94 and 119,012.08
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Solution
The fourth proportional to 343,711.98, 515,444.94 and 119,012.08 is: 178,475.52
Step by Step Solution
- Step 1: Write the proportion equation
343,711.98 : 515,444.94 = 119,012.08 : x - Step 2: Convert to fraction form
343,711.98/515,444.94 = 119,012.08/x - Step 3: Cross multiply
343,711.98x = 515,444.94 × 119,012.08 - Step 4: Simplify right side
343,711.98x = 61,344,174,434.88 - Step 5: Solve for x
x = 61,344,174,434.88/343,711.98 - Step 6: Final answer
x = 178,475.52
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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.