Finding the Fourth Proportional to 226,386.68, 312,398.51 and 124,409.95
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Solution
The fourth proportional to 226,386.68, 312,398.51 and 124,409.95 is: 171,677.42
Step by Step Solution
- Step 1: Write the proportion equation
226,386.68 : 312,398.51 = 124,409.95 : x - Step 2: Convert to fraction form
226,386.68/312,398.51 = 124,409.95/x - Step 3: Cross multiply
226,386.68x = 312,398.51 × 124,409.95 - Step 4: Simplify right side
226,386.68x = 38,865,480,825.13 - Step 5: Solve for x
x = 38,865,480,825.13/226,386.68 - Step 6: Final answer
x = 171,677.42
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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.