Finding the Fourth Proportional to 493,754.93, 681,437.22 and 278,908.84
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Solution
The fourth proportional to 493,754.93, 681,437.22 and 278,908.84 is: 384,925.50
Step by Step Solution
- Step 1: Write the proportion equation
493,754.93 : 681,437.22 = 278,908.84 : x - Step 2: Convert to fraction form
493,754.93/681,437.22 = 278,908.84/x - Step 3: Cross multiply
493,754.93x = 681,437.22 × 278,908.84 - Step 4: Simplify right side
493,754.93x = 190,058,866,460.73 - Step 5: Solve for x
x = 190,058,866,460.73/493,754.93 - Step 6: Final answer
x = 384,925.50
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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.