Finding the Fourth Proportional to 316,947.63, 475,421.44 and 192,026.19
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Solution
The fourth proportional to 316,947.63, 475,421.44 and 192,026.19 is: 288,039.28
Step by Step Solution
- Step 1: Write the proportion equation
316,947.63 : 475,421.44 = 192,026.19 : x - Step 2: Convert to fraction form
316,947.63/475,421.44 = 192,026.19/x - Step 3: Cross multiply
316,947.63x = 475,421.44 × 192,026.19 - Step 4: Simplify right side
316,947.63x = 91,293,367,767.51 - Step 5: Solve for x
x = 91,293,367,767.51/316,947.63 - Step 6: Final answer
x = 288,039.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.