Finding the Fourth Proportional to 314,239.78, 471,360.62 and 77,582.48
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Solution
The fourth proportional to 314,239.78, 471,360.62 and 77,582.48 is: 116,373.95
Step by Step Solution
- Step 1: Write the proportion equation
314,239.78 : 471,360.62 = 77,582.48 : x - Step 2: Convert to fraction form
314,239.78/471,360.62 = 77,582.48/x - Step 3: Cross multiply
314,239.78x = 471,360.62 × 77,582.48 - Step 4: Simplify right side
314,239.78x = 36,569,325,873.94 - Step 5: Solve for x
x = 36,569,325,873.94/314,239.78 - Step 6: Final answer
x = 116,373.95
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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.