Finding the Fourth Proportional to 286,347.18, 395,356.80 and 178,965.48
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Solution
The fourth proportional to 286,347.18, 395,356.80 and 178,965.48 is: 247,095.92
Step by Step Solution
- Step 1: Write the proportion equation
286,347.18 : 395,356.80 = 178,965.48 : x - Step 2: Convert to fraction form
286,347.18/395,356.80 = 178,965.48/x - Step 3: Cross multiply
286,347.18x = 395,356.80 × 178,965.48 - Step 4: Simplify right side
286,347.18x = 70,755,219,483.26 - Step 5: Solve for x
x = 70,755,219,483.26/286,347.18 - Step 6: Final answer
x = 247,095.92
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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.