Finding the Fourth Proportional to 249,980.68, 344,932.26 and 142,552.84
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Solution
The fourth proportional to 249,980.68, 344,932.26 and 142,552.84 is: 196,699.49
Step by Step Solution
- Step 1: Write the proportion equation
249,980.68 : 344,932.26 = 142,552.84 : x - Step 2: Convert to fraction form
249,980.68/344,932.26 = 142,552.84/x - Step 3: Cross multiply
249,980.68x = 344,932.26 × 142,552.84 - Step 4: Simplify right side
249,980.68x = 49,171,073,270.62 - Step 5: Solve for x
x = 49,171,073,270.62/249,980.68 - Step 6: Final answer
x = 196,699.49
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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.