Finding the Fourth Proportional to 343,397.96, 473,889.21 and 190,459.53
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Solution
The fourth proportional to 343,397.96, 473,889.21 and 190,459.53 is: 262,834.17
Step by Step Solution
- Step 1: Write the proportion equation
343,397.96 : 473,889.21 = 190,459.53 : x - Step 2: Convert to fraction form
343,397.96/473,889.21 = 190,459.53/x - Step 3: Cross multiply
343,397.96x = 473,889.21 × 190,459.53 - Step 4: Simplify right side
343,397.96x = 90,256,716,208.67 - Step 5: Solve for x
x = 90,256,716,208.67/343,397.96 - Step 6: Final answer
x = 262,834.17
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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.