Finding the Fourth Proportional to 318,151.95, 439,045.74 and 174,910.74
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Solution
The fourth proportional to 318,151.95, 439,045.74 and 174,910.74 is: 241,374.65
Step by Step Solution
- Step 1: Write the proportion equation
318,151.95 : 439,045.74 = 174,910.74 : x - Step 2: Convert to fraction form
318,151.95/439,045.74 = 174,910.74/x - Step 3: Cross multiply
318,151.95x = 439,045.74 × 174,910.74 - Step 4: Simplify right side
318,151.95x = 76,793,815,277.25 - Step 5: Solve for x
x = 76,793,815,277.25/318,151.95 - Step 6: Final answer
x = 241,374.65
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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.