Finding the Fourth Proportional to 284,652.86, 426,964.70 and 84,974.90
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Solution
The fourth proportional to 284,652.86, 426,964.70 and 84,974.90 is: 127,457.99
Step by Step Solution
- Step 1: Write the proportion equation
284,652.86 : 426,964.70 = 84,974.90 : x - Step 2: Convert to fraction form
284,652.86/426,964.70 = 84,974.90/x - Step 3: Cross multiply
284,652.86x = 426,964.70 × 84,974.90 - Step 4: Simplify right side
284,652.86x = 36,281,280,763.64 - Step 5: Solve for x
x = 36,281,280,763.64/284,652.86 - Step 6: Final answer
x = 127,457.99
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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.