Finding the Fourth Proportional to 427,126.68, 589,411.26 and 236,128.68
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Solution
The fourth proportional to 427,126.68, 589,411.26 and 236,128.68 is: 325,844.55
Step by Step Solution
- Step 1: Write the proportion equation
427,126.68 : 589,411.26 = 236,128.68 : x - Step 2: Convert to fraction form
427,126.68/589,411.26 = 236,128.68/x - Step 3: Cross multiply
427,126.68x = 589,411.26 × 236,128.68 - Step 4: Simplify right side
427,126.68x = 139,176,902,800.94 - Step 5: Solve for x
x = 139,176,902,800.94/427,126.68 - Step 6: Final answer
x = 325,844.55
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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.