Finding the Fourth Proportional to 249,433.63, 344,225.97 and 136,263.67
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Solution
The fourth proportional to 249,433.63, 344,225.97 and 136,263.67 is: 188,047.99
Step by Step Solution
- Step 1: Write the proportion equation
249,433.63 : 344,225.97 = 136,263.67 : x - Step 2: Convert to fraction form
249,433.63/344,225.97 = 136,263.67/x - Step 3: Cross multiply
249,433.63x = 344,225.97 × 136,263.67 - Step 4: Simplify right side
249,433.63x = 46,905,493,981.51 - Step 5: Solve for x
x = 46,905,493,981.51/249,433.63 - Step 6: Final answer
x = 188,047.99
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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.