Finding the Fourth Proportional to 249,231.14, 343,944.87 and 136,054.70
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Solution
The fourth proportional to 249,231.14, 343,944.87 and 136,054.70 is: 187,758.71
Step by Step Solution
- Step 1: Write the proportion equation
249,231.14 : 343,944.87 = 136,054.70 : x - Step 2: Convert to fraction form
249,231.14/343,944.87 = 136,054.70/x - Step 3: Cross multiply
249,231.14x = 343,944.87 × 136,054.70 - Step 4: Simplify right side
249,231.14x = 46,795,316,104.39 - Step 5: Solve for x
x = 46,795,316,104.39/249,231.14 - Step 6: Final answer
x = 187,758.71
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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.