Finding the Fourth Proportional to 314,602.42, 471,509.54 and 247,778.62
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Solution
The fourth proportional to 314,602.42, 471,509.54 and 247,778.62 is: 371,357.55
Step by Step Solution
- Step 1: Write the proportion equation
314,602.42 : 471,509.54 = 247,778.62 : x - Step 2: Convert to fraction form
314,602.42/471,509.54 = 247,778.62/x - Step 3: Cross multiply
314,602.42x = 471,509.54 × 247,778.62 - Step 4: Simplify right side
314,602.42x = 116,829,983,138.04 - Step 5: Solve for x
x = 116,829,983,138.04/314,602.42 - Step 6: Final answer
x = 371,357.55
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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.