Finding the Fourth Proportional to 319,841.72, 480,052.77 and 170,207.99
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Solution
The fourth proportional to 319,841.72, 480,052.77 and 170,207.99 is: 255,466.41
Step by Step Solution
- Step 1: Write the proportion equation
319,841.72 : 480,052.77 = 170,207.99 : x - Step 2: Convert to fraction form
319,841.72/480,052.77 = 170,207.99/x - Step 3: Cross multiply
319,841.72x = 480,052.77 × 170,207.99 - Step 4: Simplify right side
319,841.72x = 81,708,817,075.63 - Step 5: Solve for x
x = 81,708,817,075.63/319,841.72 - Step 6: Final answer
x = 255,466.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.