Finding the Fourth Proportional to 400,225.14, 552,310.52 and 218,937.02
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Solution
The fourth proportional to 400,225.14, 552,310.52 and 218,937.02 is: 302,132.99
Step by Step Solution
- Step 1: Write the proportion equation
400,225.14 : 552,310.52 = 218,937.02 : x - Step 2: Convert to fraction form
400,225.14/552,310.52 = 218,937.02/x - Step 3: Cross multiply
400,225.14x = 552,310.52 × 218,937.02 - Step 4: Simplify right side
400,225.14x = 120,921,219,363.45 - Step 5: Solve for x
x = 120,921,219,363.45/400,225.14 - Step 6: Final answer
x = 302,132.99
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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.