Finding the Fourth Proportional to 249,718.58, 374,402.64 and 91,926.80
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Solution
The fourth proportional to 249,718.58, 374,402.64 and 91,926.80 is: 137,825.69
Step by Step Solution
- Step 1: Write the proportion equation
249,718.58 : 374,402.64 = 91,926.80 : x - Step 2: Convert to fraction form
249,718.58/374,402.64 = 91,926.80/x - Step 3: Cross multiply
249,718.58x = 374,402.64 × 91,926.80 - Step 4: Simplify right side
249,718.58x = 34,417,636,606.75 - Step 5: Solve for x
x = 34,417,636,606.75/249,718.58 - Step 6: Final answer
x = 137,825.69
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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.