Finding the Fourth Proportional to 249,582.74, 344,424.16 and 136,405.49
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Solution
The fourth proportional to 249,582.74, 344,424.16 and 136,405.49 is: 188,239.56
Step by Step Solution
- Step 1: Write the proportion equation
249,582.74 : 344,424.16 = 136,405.49 : x - Step 2: Convert to fraction form
249,582.74/344,424.16 = 136,405.49/x - Step 3: Cross multiply
249,582.74x = 344,424.16 × 136,405.49 - Step 4: Simplify right side
249,582.74x = 46,981,346,312.64 - Step 5: Solve for x
x = 46,981,346,312.64/249,582.74 - Step 6: Final answer
x = 188,239.56
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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.