Finding the Fourth Proportional to 492,347.07, 679,438.97 and 265,992.57
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Solution
The fourth proportional to 492,347.07, 679,438.97 and 265,992.57 is: 367,069.75
Step by Step Solution
- Step 1: Write the proportion equation
492,347.07 : 679,438.97 = 265,992.57 : x - Step 2: Convert to fraction form
492,347.07/679,438.97 = 265,992.57/x - Step 3: Cross multiply
492,347.07x = 679,438.97 × 265,992.57 - Step 4: Simplify right side
492,347.07x = 180,725,716,458.49 - Step 5: Solve for x
x = 180,725,716,458.49/492,347.07 - Step 6: Final answer
x = 367,069.75
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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.