Finding the Fourth Proportional to 249,802.79, 374,663.14 and 107,609.49
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Solution
The fourth proportional to 249,802.79, 374,663.14 and 107,609.49 is: 161,396.56
Step by Step Solution
- Step 1: Write the proportion equation
249,802.79 : 374,663.14 = 107,609.49 : x - Step 2: Convert to fraction form
249,802.79/374,663.14 = 107,609.49/x - Step 3: Cross multiply
249,802.79x = 374,663.14 × 107,609.49 - Step 4: Simplify right side
249,802.79x = 40,317,309,148.17 - Step 5: Solve for x
x = 40,317,309,148.17/249,802.79 - Step 6: Final answer
x = 161,396.56
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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.