Finding the Fourth Proportional to 311,598.90, 430,094.61 and 184,318.74
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Solution
The fourth proportional to 311,598.90, 430,094.61 and 184,318.74 is: 254,411.99
Step by Step Solution
- Step 1: Write the proportion equation
311,598.90 : 430,094.61 = 184,318.74 : x - Step 2: Convert to fraction form
311,598.90/430,094.61 = 184,318.74/x - Step 3: Cross multiply
311,598.90x = 430,094.61 × 184,318.74 - Step 4: Simplify right side
311,598.90x = 79,274,496,595.99 - Step 5: Solve for x
x = 79,274,496,595.99/311,598.90 - Step 6: Final answer
x = 254,411.99
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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.