Finding the Fourth Proportional to 343,381.53, 473,865.75 and 190,415.94
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Solution
The fourth proportional to 343,381.53, 473,865.75 and 190,415.94 is: 262,773.57
Step by Step Solution
- Step 1: Write the proportion equation
343,381.53 : 473,865.75 = 190,415.94 : x - Step 2: Convert to fraction form
343,381.53/473,865.75 = 190,415.94/x - Step 3: Cross multiply
343,381.53x = 473,865.75 × 190,415.94 - Step 4: Simplify right side
343,381.53x = 90,231,592,220.06 - Step 5: Solve for x
x = 90,231,592,220.06/343,381.53 - Step 6: Final answer
x = 262,773.57
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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.