Finding the Fourth Proportional to 314,181.40, 471,272.10 and 164,363.80
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Solution
The fourth proportional to 314,181.40, 471,272.10 and 164,363.80 is: 246,545.70
Step by Step Solution
- Step 1: Write the proportion equation
314,181.40 : 471,272.10 = 164,363.80 : x - Step 2: Convert to fraction form
314,181.40/471,272.10 = 164,363.80/x - Step 3: Cross multiply
314,181.40x = 471,272.10 × 164,363.80 - Step 4: Simplify right side
314,181.40x = 77,460,073,189.98 - Step 5: Solve for x
x = 77,460,073,189.98/314,181.40 - Step 6: Final answer
x = 246,545.70
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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.