Finding the Fourth Proportional to 313,075.77, 432,044.65 and 177,106.84
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Solution
The fourth proportional to 313,075.77, 432,044.65 and 177,106.84 is: 244,407.49
Step by Step Solution
- Step 1: Write the proportion equation
313,075.77 : 432,044.65 = 177,106.84 : x - Step 2: Convert to fraction form
313,075.77/432,044.65 = 177,106.84/x - Step 3: Cross multiply
313,075.77x = 432,044.65 × 177,106.84 - Step 4: Simplify right side
313,075.77x = 76,518,061,841.68 - Step 5: Solve for x
x = 76,518,061,841.68/313,075.77 - Step 6: Final answer
x = 244,407.49
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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.