Finding the Fourth Proportional to 224,587.28, 310,042.68 and 139,731.68
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Solution
The fourth proportional to 224,587.28, 310,042.68 and 139,731.68 is: 192,899.55
Step by Step Solution
- Step 1: Write the proportion equation
224,587.28 : 310,042.68 = 139,731.68 : x - Step 2: Convert to fraction form
224,587.28/310,042.68 = 139,731.68/x - Step 3: Cross multiply
224,587.28x = 310,042.68 × 139,731.68 - Step 4: Simplify right side
224,587.28x = 43,322,784,548.10 - Step 5: Solve for x
x = 43,322,784,548.10/224,587.28 - Step 6: Final answer
x = 192,899.55
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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.