Finding the Fourth Proportional to 249,700.14, 344,586.72 and 136,530.18
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Solution
The fourth proportional to 249,700.14, 344,586.72 and 136,530.18 is: 188,411.94
Step by Step Solution
- Step 1: Write the proportion equation
249,700.14 : 344,586.72 = 136,530.18 : x - Step 2: Convert to fraction form
249,700.14/344,586.72 = 136,530.18/x - Step 3: Cross multiply
249,700.14x = 344,586.72 × 136,530.18 - Step 4: Simplify right side
249,700.14x = 47,046,486,907.21 - Step 5: Solve for x
x = 47,046,486,907.21/249,700.14 - Step 6: Final answer
x = 188,411.94
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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.