Finding the Fourth Proportional to 395,363.68, 545,602.21 and 214,075.71
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Solution
The fourth proportional to 395,363.68, 545,602.21 and 214,075.71 is: 295,424.66
Step by Step Solution
- Step 1: Write the proportion equation
395,363.68 : 545,602.21 = 214,075.71 : x - Step 2: Convert to fraction form
395,363.68/545,602.21 = 214,075.71/x - Step 3: Cross multiply
395,363.68x = 545,602.21 × 214,075.71 - Step 4: Simplify right side
395,363.68x = 116,800,179,948.13 - Step 5: Solve for x
x = 116,800,179,948.13/395,363.68 - Step 6: Final answer
x = 295,424.66
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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.