Finding the Fourth Proportional to 286,970.49, 395,854.43 and 179,353.70
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Solution
The fourth proportional to 286,970.49, 395,854.43 and 179,353.70 is: 247,405.07
Step by Step Solution
- Step 1: Write the proportion equation
286,970.49 : 395,854.43 = 179,353.70 : x - Step 2: Convert to fraction form
286,970.49/395,854.43 = 179,353.70/x - Step 3: Cross multiply
286,970.49x = 395,854.43 × 179,353.70 - Step 4: Simplify right side
286,970.49x = 70,997,953,805.85 - Step 5: Solve for x
x = 70,997,953,805.85/286,970.49 - Step 6: Final answer
x = 247,405.07
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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.