Finding the Fourth Proportional to 314,659.36, 471,594.84 and 247,835.50
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Solution
The fourth proportional to 314,659.36, 471,594.84 and 247,835.50 is: 371,442.77
Step by Step Solution
- Step 1: Write the proportion equation
314,659.36 : 471,594.84 = 247,835.50 : x - Step 2: Convert to fraction form
314,659.36/471,594.84 = 247,835.50/x - Step 3: Cross multiply
314,659.36x = 471,594.84 × 247,835.50 - Step 4: Simplify right side
314,659.36x = 116,877,942,968.82 - Step 5: Solve for x
x = 116,877,942,968.82/314,659.36 - Step 6: Final answer
x = 371,442.77
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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.