Finding the Fourth Proportional to 249,462.99, 374,431.05 and 154,405.63
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Solution
The fourth proportional to 249,462.99, 374,431.05 and 154,405.63 is: 231,754.87
Step by Step Solution
- Step 1: Write the proportion equation
249,462.99 : 374,431.05 = 154,405.63 : x - Step 2: Convert to fraction form
249,462.99/374,431.05 = 154,405.63/x - Step 3: Cross multiply
249,462.99x = 374,431.05 × 154,405.63 - Step 4: Simplify right side
249,462.99x = 57,814,262,552.83 - Step 5: Solve for x
x = 57,814,262,552.83/249,462.99 - Step 6: Final answer
x = 231,754.87
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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.