Finding the Fourth Proportional to 311,937.04, 430,474.40 and 168,697.08
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Solution
The fourth proportional to 311,937.04, 430,474.40 and 168,697.08 is: 232,802.67
Step by Step Solution
- Step 1: Write the proportion equation
311,937.04 : 430,474.40 = 168,697.08 : x - Step 2: Convert to fraction form
311,937.04/430,474.40 = 168,697.08/x - Step 3: Cross multiply
311,937.04x = 430,474.40 × 168,697.08 - Step 4: Simplify right side
311,937.04x = 72,619,774,294.75 - Step 5: Solve for x
x = 72,619,774,294.75/311,937.04 - Step 6: Final answer
x = 232,802.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.