Finding the Fourth Proportional to 456,492.38, 684,604.69 and 171,977.63
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Solution
The fourth proportional to 456,492.38, 684,604.69 and 171,977.63 is: 257,916.00
Step by Step Solution
- Step 1: Write the proportion equation
456,492.38 : 684,604.69 = 171,977.63 : x - Step 2: Convert to fraction form
456,492.38/684,604.69 = 171,977.63/x - Step 3: Cross multiply
456,492.38x = 684,604.69 × 171,977.63 - Step 4: Simplify right side
456,492.38x = 117,736,688,220.12 - Step 5: Solve for x
x = 117,736,688,220.12/456,492.38 - Step 6: Final answer
x = 257,916.00
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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.