Finding the Fourth Proportional to 318,430.67, 439,434.29 and 175,187.63
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Solution
The fourth proportional to 318,430.67, 439,434.29 and 175,187.63 is: 241,758.90
Step by Step Solution
- Step 1: Write the proportion equation
318,430.67 : 439,434.29 = 175,187.63 : x - Step 2: Convert to fraction form
318,430.67/439,434.29 = 175,187.63/x - Step 3: Cross multiply
318,430.67x = 439,434.29 × 175,187.63 - Step 4: Simplify right side
318,430.67x = 76,983,448,732.72 - Step 5: Solve for x
x = 76,983,448,732.72/318,430.67 - Step 6: Final answer
x = 241,758.90
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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.