Finding the Fourth Proportional to 257,033.14, 385,641.95 and 114,866.51
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Solution
The fourth proportional to 257,033.14, 385,641.95 and 114,866.51 is: 172,340.99
Step by Step Solution
- Step 1: Write the proportion equation
257,033.14 : 385,641.95 = 114,866.51 : x - Step 2: Convert to fraction form
257,033.14/385,641.95 = 114,866.51/x - Step 3: Cross multiply
257,033.14x = 385,641.95 × 114,866.51 - Step 4: Simplify right side
257,033.14x = 44,297,344,906.09 - Step 5: Solve for x
x = 44,297,344,906.09/257,033.14 - Step 6: Final answer
x = 172,340.99
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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.