Finding the Fourth Proportional to 249,881.50, 344,836.56 and 136,706.68
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Solution
The fourth proportional to 249,881.50, 344,836.56 and 136,706.68 is: 188,655.27
Step by Step Solution
- Step 1: Write the proportion equation
249,881.50 : 344,836.56 = 136,706.68 : x - Step 2: Convert to fraction form
249,881.50/344,836.56 = 136,706.68/x - Step 3: Cross multiply
249,881.50x = 344,836.56 × 136,706.68 - Step 4: Simplify right side
249,881.50x = 47,141,461,260.22 - Step 5: Solve for x
x = 47,141,461,260.22/249,881.50 - Step 6: Final answer
x = 188,655.27
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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.