Finding the Fourth Proportional to 791,315.42, 1,186,974.62 and 192,277.09
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Solution
The fourth proportional to 791,315.42, 1,186,974.62 and 192,277.09 is: 288,415.99
Step by Step Solution
- Step 1: Write the proportion equation
791,315.42 : 1,186,974.62 = 192,277.09 : x - Step 2: Convert to fraction form
791,315.42/1,186,974.62 = 192,277.09/x - Step 3: Cross multiply
791,315.42x = 1,186,974.62 × 192,277.09 - Step 4: Simplify right side
791,315.42x = 228,228,018,941.20 - Step 5: Solve for x
x = 228,228,018,941.20/791,315.42 - Step 6: Final answer
x = 288,415.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.