Finding the Fourth Proportional to 286,264.05, 429,396.08 and 136,576.05
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Solution
The fourth proportional to 286,264.05, 429,396.08 and 136,576.05 is: 204,864.08
Step by Step Solution
- Step 1: Write the proportion equation
286,264.05 : 429,396.08 = 136,576.05 : x - Step 2: Convert to fraction form
286,264.05/429,396.08 = 136,576.05/x - Step 3: Cross multiply
286,264.05x = 429,396.08 × 136,576.05 - Step 4: Simplify right side
286,264.05x = 58,645,219,809.00 - Step 5: Solve for x
x = 58,645,219,809.00/286,264.05 - Step 6: Final answer
x = 204,864.08
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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.