Finding the Fourth Proportional to 995,277.70, 1,492,916.55 and 247,323.70
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Solution
The fourth proportional to 995,277.70, 1,492,916.55 and 247,323.70 is: 370,985.55
Step by Step Solution
- Step 1: Write the proportion equation
995,277.70 : 1,492,916.55 = 247,323.70 : x - Step 2: Convert to fraction form
995,277.70/1,492,916.55 = 247,323.70/x - Step 3: Cross multiply
995,277.70x = 1,492,916.55 × 247,323.70 - Step 4: Simplify right side
995,277.70x = 369,233,644,937.24 - Step 5: Solve for x
x = 369,233,644,937.24/995,277.70 - Step 6: Final answer
x = 370,985.55
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1.5x scale
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.