Finding the Fourth Proportional to 251,370.95, 346,894.16 and 136,649.81
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Solution
The fourth proportional to 251,370.95, 346,894.16 and 136,649.81 is: 188,577.96
Step by Step Solution
- Step 1: Write the proportion equation
251,370.95 : 346,894.16 = 136,649.81 : x - Step 2: Convert to fraction form
251,370.95/346,894.16 = 136,649.81/x - Step 3: Cross multiply
251,370.95x = 346,894.16 × 136,649.81 - Step 4: Simplify right side
251,370.95x = 47,403,021,054.11 - Step 5: Solve for x
x = 47,403,021,054.11/251,370.95 - Step 6: Final answer
x = 188,577.96
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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.