Finding the Fourth Proportional to 493,819.67, 681,526.64 and 278,973.65
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Solution
The fourth proportional to 493,819.67, 681,526.64 and 278,973.65 is: 385,014.99
Step by Step Solution
- Step 1: Write the proportion equation
493,819.67 : 681,526.64 = 278,973.65 : x - Step 2: Convert to fraction form
493,819.67/681,526.64 = 278,973.65/x - Step 3: Cross multiply
493,819.67x = 681,526.64 × 278,973.65 - Step 4: Simplify right side
493,819.67x = 190,127,976,734.29 - Step 5: Solve for x
x = 190,127,976,734.29/493,819.67 - Step 6: Final answer
x = 385,014.99
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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.