Finding the Fourth Proportional to 251,349.24, 376,905.40 and 91,312.31
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Solution
The fourth proportional to 251,349.24, 376,905.40 and 91,312.31 is: 136,925.42
Step by Step Solution
- Step 1: Write the proportion equation
251,349.24 : 376,905.40 = 91,312.31 : x - Step 2: Convert to fraction form
251,349.24/376,905.40 = 91,312.31/x - Step 3: Cross multiply
251,349.24x = 376,905.40 × 91,312.31 - Step 4: Simplify right side
251,349.24x = 34,416,100,384.39 - Step 5: Solve for x
x = 34,416,100,384.39/251,349.24 - Step 6: Final answer
x = 136,925.42
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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.