Finding the Fourth Proportional to 249,703.29, 374,592.23 and 91,919.75
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Solution
The fourth proportional to 249,703.29, 374,592.23 and 91,919.75 is: 137,893.35
Step by Step Solution
- Step 1: Write the proportion equation
249,703.29 : 374,592.23 = 91,919.75 : x - Step 2: Convert to fraction form
249,703.29/374,592.23 = 91,919.75/x - Step 3: Cross multiply
249,703.29x = 374,592.23 × 91,919.75 - Step 4: Simplify right side
249,703.29x = 34,432,422,145.68 - Step 5: Solve for x
x = 34,432,422,145.68/249,703.29 - Step 6: Final answer
x = 137,893.35
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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.