Finding the Fourth Proportional to 249,694.08, 374,366.16 and 91,902.06
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Solution
The fourth proportional to 249,694.08, 374,366.16 and 91,902.06 is: 137,788.69
Step by Step Solution
- Step 1: Write the proportion equation
249,694.08 : 374,366.16 = 91,902.06 : x - Step 2: Convert to fraction form
249,694.08/374,366.16 = 91,902.06/x - Step 3: Cross multiply
249,694.08x = 374,366.16 × 91,902.06 - Step 4: Simplify right side
249,694.08x = 34,405,021,298.29 - Step 5: Solve for x
x = 34,405,021,298.29/249,694.08 - Step 6: Final answer
x = 137,788.69
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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.