Finding the Fourth Proportional to 318,350.98, 439,315.09 and 175,110.99
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Solution
The fourth proportional to 318,350.98, 439,315.09 and 175,110.99 is: 241,648.07
Step by Step Solution
- Step 1: Write the proportion equation
318,350.98 : 439,315.09 = 175,110.99 : x - Step 2: Convert to fraction form
318,350.98/439,315.09 = 175,110.99/x - Step 3: Cross multiply
318,350.98x = 439,315.09 × 175,110.99 - Step 4: Simplify right side
318,350.98x = 76,928,900,331.84 - Step 5: Solve for x
x = 76,928,900,331.84/318,350.98 - Step 6: Final answer
x = 241,648.07
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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.