Finding the Fourth Proportional to 313,904.80, 433,187.68 and 170,663.84
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Solution
The fourth proportional to 313,904.80, 433,187.68 and 170,663.84 is: 235,515.59
Step by Step Solution
- Step 1: Write the proportion equation
313,904.80 : 433,187.68 = 170,663.84 : x - Step 2: Convert to fraction form
313,904.80/433,187.68 = 170,663.84/x - Step 3: Cross multiply
313,904.80x = 433,187.68 × 170,663.84 - Step 4: Simplify right side
313,904.80x = 73,929,472,909.49 - Step 5: Solve for x
x = 73,929,472,909.49/313,904.80 - Step 6: Final answer
x = 235,515.59
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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.