Finding the Fourth Proportional to 187,580.02, 258,885.08 and 106,989.08
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Solution
The fourth proportional to 187,580.02, 258,885.08 and 106,989.08 is: 147,658.99
Step by Step Solution
- Step 1: Write the proportion equation
187,580.02 : 258,885.08 = 106,989.08 : x - Step 2: Convert to fraction form
187,580.02/258,885.08 = 106,989.08/x - Step 3: Cross multiply
187,580.02x = 258,885.08 × 106,989.08 - Step 4: Simplify right side
187,580.02x = 27,697,876,534.93 - Step 5: Solve for x
x = 27,697,876,534.93/187,580.02 - Step 6: Final answer
x = 147,658.99
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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.