Finding the Fourth Proportional to 249,678.63, 374,440.19 and 83,427.75
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Solution
The fourth proportional to 249,678.63, 374,440.19 and 83,427.75 is: 125,115.64
Step by Step Solution
- Step 1: Write the proportion equation
249,678.63 : 374,440.19 = 83,427.75 : x - Step 2: Convert to fraction form
249,678.63/374,440.19 = 83,427.75/x - Step 3: Cross multiply
249,678.63x = 374,440.19 × 83,427.75 - Step 4: Simplify right side
249,678.63x = 31,238,702,144.13 - Step 5: Solve for x
x = 31,238,702,144.13/249,678.63 - Step 6: Final answer
x = 125,115.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.