Finding the Fourth Proportional to 249,657.19, 344,526.92 and 136,479.94
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Solution
The fourth proportional to 249,657.19, 344,526.92 and 136,479.94 is: 188,342.31
Step by Step Solution
- Step 1: Write the proportion equation
249,657.19 : 344,526.92 = 136,479.94 : x - Step 2: Convert to fraction form
249,657.19/344,526.92 = 136,479.94/x - Step 3: Cross multiply
249,657.19x = 344,526.92 × 136,479.94 - Step 4: Simplify right side
249,657.19x = 47,021,012,338.07 - Step 5: Solve for x
x = 47,021,012,338.07/249,657.19 - Step 6: Final answer
x = 188,342.31
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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.