Finding the Fourth Proportional to 376,953.84, 565,431.12 and 177,127.68
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Solution
The fourth proportional to 376,953.84, 565,431.12 and 177,127.68 is: 265,691.69
Step by Step Solution
- Step 1: Write the proportion equation
376,953.84 : 565,431.12 = 177,127.68 : x - Step 2: Convert to fraction form
376,953.84/565,431.12 = 177,127.68/x - Step 3: Cross multiply
376,953.84x = 565,431.12 × 177,127.68 - Step 4: Simplify right side
376,953.84x = 100,153,502,485.40 - Step 5: Solve for x
x = 100,153,502,485.40/376,953.84 - Step 6: Final answer
x = 265,691.69
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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.