Finding the Fourth Proportional to 249,710.58, 374,390.64 and 91,918.80
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Solution
The fourth proportional to 249,710.58, 374,390.64 and 91,918.80 is: 137,813.70
Step by Step Solution
- Step 1: Write the proportion equation
249,710.58 : 374,390.64 = 91,918.80 : x - Step 2: Convert to fraction form
249,710.58/374,390.64 = 91,918.80/x - Step 3: Cross multiply
249,710.58x = 374,390.64 × 91,918.80 - Step 4: Simplify right side
249,710.58x = 34,413,538,360.03 - Step 5: Solve for x
x = 34,413,538,360.03/249,710.58 - Step 6: Final answer
x = 137,813.70
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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.