Finding the Fourth Proportional to 236,382.84, 326,208.18 and 128,952.63
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Solution
The fourth proportional to 236,382.84, 326,208.18 and 128,952.63 is: 177,954.55
Step by Step Solution
- Step 1: Write the proportion equation
236,382.84 : 326,208.18 = 128,952.63 : x - Step 2: Convert to fraction form
236,382.84/326,208.18 = 128,952.63/x - Step 3: Cross multiply
236,382.84x = 326,208.18 × 128,952.63 - Step 4: Simplify right side
236,382.84x = 42,065,402,738.51 - Step 5: Solve for x
x = 42,065,402,738.51/236,382.84 - Step 6: Final answer
x = 177,954.55
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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.