Finding the Fourth Proportional to 304,778.08, 457,038.88 and 115,206.56
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Solution
The fourth proportional to 304,778.08, 457,038.88 and 115,206.56 is: 172,761.37
Step by Step Solution
- Step 1: Write the proportion equation
304,778.08 : 457,038.88 = 115,206.56 : x - Step 2: Convert to fraction form
304,778.08/457,038.88 = 115,206.56/x - Step 3: Cross multiply
304,778.08x = 457,038.88 × 115,206.56 - Step 4: Simplify right side
304,778.08x = 52,653,877,151.05 - Step 5: Solve for x
x = 52,653,877,151.05/304,778.08 - Step 6: Final answer
x = 172,761.37
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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.