Finding the Fourth Proportional to 995,309.70, 1,492,964.55 and 247,355.70
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Solution
The fourth proportional to 995,309.70, 1,492,964.55 and 247,355.70 is: 371,033.55
Step by Step Solution
- Step 1: Write the proportion equation
995,309.70 : 1,492,964.55 = 247,355.70 : x - Step 2: Convert to fraction form
995,309.70/1,492,964.55 = 247,355.70/x - Step 3: Cross multiply
995,309.70x = 1,492,964.55 × 247,355.70 - Step 4: Simplify right side
995,309.70x = 369,293,291,340.44 - Step 5: Solve for x
x = 369,293,291,340.44/995,309.70 - Step 6: Final answer
x = 371,033.55
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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.