Finding the Fourth Proportional to 249,106.62, 343,763.91 and 135,927.42
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Solution
The fourth proportional to 249,106.62, 343,763.91 and 135,927.42 is: 187,578.08
Step by Step Solution
- Step 1: Write the proportion equation
249,106.62 : 343,763.91 = 135,927.42 : x - Step 2: Convert to fraction form
249,106.62/343,763.91 = 135,927.42/x - Step 3: Cross multiply
249,106.62x = 343,763.91 × 135,927.42 - Step 4: Simplify right side
249,106.62x = 46,726,941,375.41 - Step 5: Solve for x
x = 46,726,941,375.41/249,106.62 - Step 6: Final answer
x = 187,578.08
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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.