Finding the Fourth Proportional to 249,704.68, 344,592.42 and 136,527.40
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Solution
The fourth proportional to 249,704.68, 344,592.42 and 136,527.40 is: 188,407.79
Step by Step Solution
- Step 1: Write the proportion equation
249,704.68 : 344,592.42 = 136,527.40 : x - Step 2: Convert to fraction form
249,704.68/344,592.42 = 136,527.40/x - Step 3: Cross multiply
249,704.68x = 344,592.42 × 136,527.40 - Step 4: Simplify right side
249,704.68x = 47,046,307,162.31 - Step 5: Solve for x
x = 47,046,307,162.31/249,704.68 - Step 6: Final answer
x = 188,407.79
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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.