Finding the Fourth Proportional to 357,970.75, 493,986.99 and 196,824.67
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Solution
The fourth proportional to 357,970.75, 493,986.99 and 196,824.67 is: 271,611.09
Step by Step Solution
- Step 1: Write the proportion equation
357,970.75 : 493,986.99 = 196,824.67 : x - Step 2: Convert to fraction form
357,970.75/493,986.99 = 196,824.67/x - Step 3: Cross multiply
357,970.75x = 493,986.99 × 196,824.67 - Step 4: Simplify right side
357,970.75x = 97,228,826,291.04 - Step 5: Solve for x
x = 97,228,826,291.04/357,970.75 - Step 6: Final answer
x = 271,611.09
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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.