Finding the Fourth Proportional to 314,184.12, 467,722.88 and 312,316.05
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Solution
The fourth proportional to 314,184.12, 467,722.88 and 312,316.05 is: 464,941.90
Step by Step Solution
- Step 1: Write the proportion equation
314,184.12 : 467,722.88 = 312,316.05 : x - Step 2: Convert to fraction form
314,184.12/467,722.88 = 312,316.05/x - Step 3: Cross multiply
314,184.12x = 467,722.88 × 312,316.05 - Step 4: Simplify right side
314,184.12x = 146,077,362,376.22 - Step 5: Solve for x
x = 146,077,362,376.22/314,184.12 - Step 6: Final answer
x = 464,941.90
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.