Finding the Fourth Proportional to 304,117.20, 456,175.80 and 135,637.20
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Solution
The fourth proportional to 304,117.20, 456,175.80 and 135,637.20 is: 203,455.80
Step by Step Solution
- Step 1: Write the proportion equation
304,117.20 : 456,175.80 = 135,637.20 : x - Step 2: Convert to fraction form
304,117.20/456,175.80 = 135,637.20/x - Step 3: Cross multiply
304,117.20x = 456,175.80 × 135,637.20 - Step 4: Simplify right side
304,117.20x = 61,874,408,219.76 - Step 5: Solve for x
x = 61,874,408,219.76/304,117.20 - Step 6: Final answer
x = 203,455.80
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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.