Finding the Fourth Proportional to 294,322.17, 406,115.74 and 173,447.06
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Solution
The fourth proportional to 294,322.17, 406,115.74 and 173,447.06 is: 239,328.14
Step by Step Solution
- Step 1: Write the proportion equation
294,322.17 : 406,115.74 = 173,447.06 : x - Step 2: Convert to fraction form
294,322.17/406,115.74 = 173,447.06/x - Step 3: Cross multiply
294,322.17x = 406,115.74 × 173,447.06 - Step 4: Simplify right side
294,322.17x = 70,439,579,308.95 - Step 5: Solve for x
x = 70,439,579,308.95/294,322.17 - Step 6: Final answer
x = 239,328.14
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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.