Finding the Fourth Proportional to 313,580.81, 432,742.28 and 170,337.84
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Solution
The fourth proportional to 313,580.81, 432,742.28 and 170,337.84 is: 235,066.63
Step by Step Solution
- Step 1: Write the proportion equation
313,580.81 : 432,742.28 = 170,337.84 : x - Step 2: Convert to fraction form
313,580.81/432,742.28 = 170,337.84/x - Step 3: Cross multiply
313,580.81x = 432,742.28 × 170,337.84 - Step 4: Simplify right side
313,580.81x = 73,712,384,400.19 - Step 5: Solve for x
x = 73,712,384,400.19/313,580.81 - Step 6: Final answer
x = 235,066.63
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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.