Finding the Fourth Proportional to 368,998.58, 509,218.05 and 207,853.63
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Solution
The fourth proportional to 368,998.58, 509,218.05 and 207,853.63 is: 286,838.01
Step by Step Solution
- Step 1: Write the proportion equation
368,998.58 : 509,218.05 = 207,853.63 : x - Step 2: Convert to fraction form
368,998.58/509,218.05 = 207,853.63/x - Step 3: Cross multiply
368,998.58x = 509,218.05 × 207,853.63 - Step 4: Simplify right side
368,998.58x = 105,842,821,262.43 - Step 5: Solve for x
x = 105,842,821,262.43/368,998.58 - Step 6: Final answer
x = 286,838.01
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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.