Finding the Fourth Proportional to 249,034.72, 343,668.72 and 135,859.84
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Solution
The fourth proportional to 249,034.72, 343,668.72 and 135,859.84 is: 187,487.02
Step by Step Solution
- Step 1: Write the proportion equation
249,034.72 : 343,668.72 = 135,859.84 : x - Step 2: Convert to fraction form
249,034.72/343,668.72 = 135,859.84/x - Step 3: Cross multiply
249,034.72x = 343,668.72 × 135,859.84 - Step 4: Simplify right side
249,034.72x = 46,690,777,312.20 - Step 5: Solve for x
x = 46,690,777,312.20/249,034.72 - Step 6: Final answer
x = 187,487.02
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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.