Finding the Fourth Proportional to 313,732.14, 432,953.10 and 170,492.18
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Solution
The fourth proportional to 313,732.14, 432,953.10 and 170,492.18 is: 235,280.70
Step by Step Solution
- Step 1: Write the proportion equation
313,732.14 : 432,953.10 = 170,492.18 : x - Step 2: Convert to fraction form
313,732.14/432,953.10 = 170,492.18/x - Step 3: Cross multiply
313,732.14x = 432,953.10 × 170,492.18 - Step 4: Simplify right side
313,732.14x = 73,815,115,691.99 - Step 5: Solve for x
x = 73,815,115,691.99/313,732.14 - Step 6: Final answer
x = 235,280.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.