Finding the Fourth Proportional to 249,901.07, 344,872.08 and 136,723.82
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Solution
The fourth proportional to 249,901.07, 344,872.08 and 136,723.82 is: 188,683.58
Step by Step Solution
- Step 1: Write the proportion equation
249,901.07 : 344,872.08 = 136,723.82 : x - Step 2: Convert to fraction form
249,901.07/344,872.08 = 136,723.82/x - Step 3: Cross multiply
249,901.07x = 344,872.08 × 136,723.82 - Step 4: Simplify right side
249,901.07x = 47,152,226,464.59 - Step 5: Solve for x
x = 47,152,226,464.59/249,901.07 - Step 6: Final answer
x = 188,683.58
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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.