Finding the Fourth Proportional to 249,366.28, 344,126.73 and 136,189.03
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Solution
The fourth proportional to 249,366.28, 344,126.73 and 136,189.03 is: 187,941.55
Step by Step Solution
- Step 1: Write the proportion equation
249,366.28 : 344,126.73 = 136,189.03 : x - Step 2: Convert to fraction form
249,366.28/344,126.73 = 136,189.03/x - Step 3: Cross multiply
249,366.28x = 344,126.73 × 136,189.03 - Step 4: Simplify right side
249,366.28x = 46,866,285,555.77 - Step 5: Solve for x
x = 46,866,285,555.77/249,366.28 - Step 6: Final answer
x = 187,941.55
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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.