Finding the Fourth Proportional to 249,692.36, 374,575.82 and 91,908.80
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Solution
The fourth proportional to 249,692.36, 374,575.82 and 91,908.80 is: 137,876.92
Step by Step Solution
- Step 1: Write the proportion equation
249,692.36 : 374,575.82 = 91,908.80 : x - Step 2: Convert to fraction form
249,692.36/374,575.82 = 91,908.80/x - Step 3: Cross multiply
249,692.36x = 374,575.82 × 91,908.80 - Step 4: Simplify right side
249,692.36x = 34,426,814,125.22 - Step 5: Solve for x
x = 34,426,814,125.22/249,692.36 - Step 6: Final answer
x = 137,876.92
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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.