Finding the Fourth Proportional to 810,184.88, 1,215,409.08 and 249,219.92
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Solution
The fourth proportional to 810,184.88, 1,215,409.08 and 249,219.92 is: 373,870.41
Step by Step Solution
- Step 1: Write the proportion equation
810,184.88 : 1,215,409.08 = 249,219.92 : x - Step 2: Convert to fraction form
810,184.88/1,215,409.08 = 249,219.92/x - Step 3: Cross multiply
810,184.88x = 1,215,409.08 × 249,219.92 - Step 4: Simplify right side
810,184.88x = 302,904,153,684.87 - Step 5: Solve for x
x = 302,904,153,684.87/810,184.88 - Step 6: Final answer
x = 373,870.41
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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.