Finding the Fourth Proportional to 311,312.27, 466,681.26 and 121,901.67
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Solution
The fourth proportional to 311,312.27, 466,681.26 and 121,901.67 is: 182,740.07
Step by Step Solution
- Step 1: Write the proportion equation
311,312.27 : 466,681.26 = 121,901.67 : x - Step 2: Convert to fraction form
311,312.27/466,681.26 = 121,901.67/x - Step 3: Cross multiply
311,312.27x = 466,681.26 × 121,901.67 - Step 4: Simplify right side
311,312.27x = 56,889,224,951.70 - Step 5: Solve for x
x = 56,889,224,951.70/311,312.27 - Step 6: Final answer
x = 182,740.07
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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.