Finding the Fourth Proportional to 485,823.63, 670,437.63 and 270,958.17
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Solution
The fourth proportional to 485,823.63, 670,437.63 and 270,958.17 is: 373,922.84
Step by Step Solution
- Step 1: Write the proportion equation
485,823.63 : 670,437.63 = 270,958.17 : x - Step 2: Convert to fraction form
485,823.63/670,437.63 = 270,958.17/x - Step 3: Cross multiply
485,823.63x = 670,437.63 × 270,958.17 - Step 4: Simplify right side
485,823.63x = 181,660,553,323.94 - Step 5: Solve for x
x = 181,660,553,323.94/485,823.63 - Step 6: Final answer
x = 373,922.84
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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.