Finding the Fourth Proportional to 318,152.70, 439,053.68 and 174,913.75
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Solution
The fourth proportional to 318,152.70, 439,053.68 and 174,913.75 is: 241,382.60
Step by Step Solution
- Step 1: Write the proportion equation
318,152.70 : 439,053.68 = 174,913.75 : x - Step 2: Convert to fraction form
318,152.70/439,053.68 = 174,913.75/x - Step 3: Cross multiply
318,152.70x = 439,053.68 × 174,913.75 - Step 4: Simplify right side
318,152.70x = 76,796,525,620.10 - Step 5: Solve for x
x = 76,796,525,620.10/318,152.70 - Step 6: Final answer
x = 241,382.60
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1.5x scale
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.