Finding the Fourth Proportional to 342,141.04, 513,083.84 and 117,437.68
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Solution
The fourth proportional to 342,141.04, 513,083.84 and 117,437.68 is: 176,112.68
Step by Step Solution
- Step 1: Write the proportion equation
342,141.04 : 513,083.84 = 117,437.68 : x - Step 2: Convert to fraction form
342,141.04/513,083.84 = 117,437.68/x - Step 3: Cross multiply
342,141.04x = 513,083.84 × 117,437.68 - Step 4: Simplify right side
342,141.04x = 60,255,375,815.09 - Step 5: Solve for x
x = 60,255,375,815.09/342,141.04 - Step 6: Final answer
x = 176,112.68
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1.5x scale
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.