Finding the Fourth Proportional to 249,618.08, 344,473.12 and 136,440.82
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Solution
The fourth proportional to 249,618.08, 344,473.12 and 136,440.82 is: 188,288.42
Step by Step Solution
- Step 1: Write the proportion equation
249,618.08 : 344,473.12 = 136,440.82 : x - Step 2: Convert to fraction form
249,618.08/344,473.12 = 136,440.82/x - Step 3: Cross multiply
249,618.08x = 344,473.12 × 136,440.82 - Step 4: Simplify right side
249,618.08x = 47,000,194,960.76 - Step 5: Solve for x
x = 47,000,194,960.76/249,618.08 - Step 6: Final answer
x = 188,288.42
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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.