Finding the Fourth Proportional to 318,489.56, 439,518.66 and 175,252.68
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Solution
The fourth proportional to 318,489.56, 439,518.66 and 175,252.68 is: 241,850.38
Step by Step Solution
- Step 1: Write the proportion equation
318,489.56 : 439,518.66 = 175,252.68 : x - Step 2: Convert to fraction form
318,489.56/439,518.66 = 175,252.68/x - Step 3: Cross multiply
318,489.56x = 439,518.66 × 175,252.68 - Step 4: Simplify right side
318,489.56x = 77,026,820,877.42 - Step 5: Solve for x
x = 77,026,820,877.42/318,489.56 - Step 6: Final answer
x = 241,850.38
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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.