Finding the Fourth Proportional to 249,562.95, 344,399.41 and 136,385.70
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Solution
The fourth proportional to 249,562.95, 344,399.41 and 136,385.70 is: 188,213.65
Step by Step Solution
- Step 1: Write the proportion equation
249,562.95 : 344,399.41 = 136,385.70 : x - Step 2: Convert to fraction form
249,562.95/344,399.41 = 136,385.70/x - Step 3: Cross multiply
249,562.95x = 344,399.41 × 136,385.70 - Step 4: Simplify right side
249,562.95x = 46,971,154,612.44 - Step 5: Solve for x
x = 46,971,154,612.44/249,562.95 - Step 6: Final answer
x = 188,213.65
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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.