Finding the Fourth Proportional to 187,495.74, 258,731.28 and 106,926.66
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Solution
The fourth proportional to 187,495.74, 258,731.28 and 106,926.66 is: 147,551.47
Step by Step Solution
- Step 1: Write the proportion equation
187,495.74 : 258,731.28 = 106,926.66 : x - Step 2: Convert to fraction form
187,495.74/258,731.28 = 106,926.66/x - Step 3: Cross multiply
187,495.74x = 258,731.28 × 106,926.66 - Step 4: Simplify right side
187,495.74x = 27,665,271,607.92 - Step 5: Solve for x
x = 27,665,271,607.92/187,495.74 - Step 6: Final answer
x = 147,551.47
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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.