Finding the Fourth Proportional to 314,637.70, 471,956.55 and 93,021.70
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Solution
The fourth proportional to 314,637.70, 471,956.55 and 93,021.70 is: 139,532.55
Step by Step Solution
- Step 1: Write the proportion equation
314,637.70 : 471,956.55 = 93,021.70 : x - Step 2: Convert to fraction form
314,637.70/471,956.55 = 93,021.70/x - Step 3: Cross multiply
314,637.70x = 471,956.55 × 93,021.70 - Step 4: Simplify right side
314,637.70x = 43,902,200,607.14 - Step 5: Solve for x
x = 43,902,200,607.14/314,637.70 - Step 6: Final answer
x = 139,532.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.