Finding the Fourth Proportional to 318,367.08, 439,341.96 and 175,118.64
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Solution
The fourth proportional to 318,367.08, 439,341.96 and 175,118.64 is: 241,661.19
Step by Step Solution
- Step 1: Write the proportion equation
318,367.08 : 439,341.96 = 175,118.64 : x - Step 2: Convert to fraction form
318,367.08/439,341.96 = 175,118.64/x - Step 3: Cross multiply
318,367.08x = 439,341.96 × 175,118.64 - Step 4: Simplify right side
318,367.08x = 76,936,966,530.13 - Step 5: Solve for x
x = 76,936,966,530.13/318,367.08 - Step 6: Final answer
x = 241,661.19
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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.