Finding the Fourth Proportional to 249,507.95, 344,321.28 and 136,330.70
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Solution
The fourth proportional to 249,507.95, 344,321.28 and 136,330.70 is: 188,136.53
Step by Step Solution
- Step 1: Write the proportion equation
249,507.95 : 344,321.28 = 136,330.70 : x - Step 2: Convert to fraction form
249,507.95/344,321.28 = 136,330.70/x - Step 3: Cross multiply
249,507.95x = 344,321.28 × 136,330.70 - Step 4: Simplify right side
249,507.95x = 46,941,559,405.69 - Step 5: Solve for x
x = 46,941,559,405.69/249,507.95 - Step 6: Final answer
x = 188,136.53
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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.