Finding the Fourth Proportional to 313,670.84, 432,859.53 and 170,431.91
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Solution
The fourth proportional to 313,670.84, 432,859.53 and 170,431.91 is: 235,192.65
Step by Step Solution
- Step 1: Write the proportion equation
313,670.84 : 432,859.53 = 170,431.91 : x - Step 2: Convert to fraction form
313,670.84/432,859.53 = 170,431.91/x - Step 3: Cross multiply
313,670.84x = 432,859.53 × 170,431.91 - Step 4: Simplify right side
313,670.84x = 73,773,075,607.44 - Step 5: Solve for x
x = 73,773,075,607.44/313,670.84 - Step 6: Final answer
x = 235,192.65
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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.