Finding the Fourth Proportional to 236,364.16, 326,184.62 and 128,934.68
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Solution
The fourth proportional to 236,364.16, 326,184.62 and 128,934.68 is: 177,930.99
Step by Step Solution
- Step 1: Write the proportion equation
236,364.16 : 326,184.62 = 128,934.68 : x - Step 2: Convert to fraction form
236,364.16/326,184.62 = 128,934.68/x - Step 3: Cross multiply
236,364.16x = 326,184.62 × 128,934.68 - Step 4: Simplify right side
236,364.16x = 42,056,509,600.62 - Step 5: Solve for x
x = 42,056,509,600.62/236,364.16 - Step 6: Final answer
x = 177,930.99
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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.