Finding the Fourth Proportional to 318,260.96, 439,211.40 and 175,032.08
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Solution
The fourth proportional to 318,260.96, 439,211.40 and 175,032.08 is: 241,550.47
Step by Step Solution
- Step 1: Write the proportion equation
318,260.96 : 439,211.40 = 175,032.08 : x - Step 2: Convert to fraction form
318,260.96/439,211.40 = 175,032.08/x - Step 3: Cross multiply
318,260.96x = 439,211.40 × 175,032.08 - Step 4: Simplify right side
318,260.96x = 76,876,084,901.71 - Step 5: Solve for x
x = 76,876,084,901.71/318,260.96 - Step 6: Final answer
x = 241,550.47
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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.