Finding the Fourth Proportional to 671,253.68, 926,168.43 and 395,622.53
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Solution
The fourth proportional to 671,253.68, 926,168.43 and 395,622.53 is: 545,863.81
Step by Step Solution
- Step 1: Write the proportion equation
671,253.68 : 926,168.43 = 395,622.53 : x - Step 2: Convert to fraction form
671,253.68/926,168.43 = 395,622.53/x - Step 3: Cross multiply
671,253.68x = 926,168.43 × 395,622.53 - Step 4: Simplify right side
671,253.68x = 366,413,095,583.23 - Step 5: Solve for x
x = 366,413,095,583.23/671,253.68 - Step 6: Final answer
x = 545,863.81
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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.