Finding the Fourth Proportional to 249,764.16, 344,674.35 and 136,586.88
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Solution
The fourth proportional to 249,764.16, 344,674.35 and 136,586.88 is: 188,489.79
Step by Step Solution
- Step 1: Write the proportion equation
249,764.16 : 344,674.35 = 136,586.88 : x - Step 2: Convert to fraction form
249,764.16/344,674.35 = 136,586.88/x - Step 3: Cross multiply
249,764.16x = 344,674.35 × 136,586.88 - Step 4: Simplify right side
249,764.16x = 47,077,994,082.53 - Step 5: Solve for x
x = 47,077,994,082.53/249,764.16 - Step 6: Final answer
x = 188,489.79
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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.