Finding the Fourth Proportional to 213,387.42, 294,224.85 and 145,444.62
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Solution
The fourth proportional to 213,387.42, 294,224.85 and 145,444.62 is: 200,543.32
Step by Step Solution
- Step 1: Write the proportion equation
213,387.42 : 294,224.85 = 145,444.62 : x - Step 2: Convert to fraction form
213,387.42/294,224.85 = 145,444.62/x - Step 3: Cross multiply
213,387.42x = 294,224.85 × 145,444.62 - Step 4: Simplify right side
213,387.42x = 42,793,421,502.81 - Step 5: Solve for x
x = 42,793,421,502.81/213,387.42 - Step 6: Final answer
x = 200,543.32
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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.