Finding the Fourth Proportional to 249,827.94, 374,479.47 and 91,955.70
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Solution
The fourth proportional to 249,827.94, 374,479.47 and 91,955.70 is: 137,836.95
Step by Step Solution
- Step 1: Write the proportion equation
249,827.94 : 374,479.47 = 91,955.70 : x - Step 2: Convert to fraction form
249,827.94/374,479.47 = 91,955.70/x - Step 3: Cross multiply
249,827.94x = 374,479.47 × 91,955.70 - Step 4: Simplify right side
249,827.94x = 34,435,521,799.48 - Step 5: Solve for x
x = 34,435,521,799.48/249,827.94 - Step 6: Final answer
x = 137,836.95
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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.