Finding the Fourth Proportional to 249,813.99, 374,724.86 and 72,321.62
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Solution
The fourth proportional to 249,813.99, 374,724.86 and 72,321.62 is: 108,483.54
Step by Step Solution
- Step 1: Write the proportion equation
249,813.99 : 374,724.86 = 72,321.62 : x - Step 2: Convert to fraction form
249,813.99/374,724.86 = 72,321.62/x - Step 3: Cross multiply
249,813.99x = 374,724.86 × 72,321.62 - Step 4: Simplify right side
249,813.99x = 27,100,706,694.24 - Step 5: Solve for x
x = 27,100,706,694.24/249,813.99 - Step 6: Final answer
x = 108,483.54
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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.