Finding the Fourth Proportional to 106,740.96, 147,304.08 and 62,028.96
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Solution
The fourth proportional to 106,740.96, 147,304.08 and 62,028.96 is: 85,600.87
Step by Step Solution
- Step 1: Write the proportion equation
106,740.96 : 147,304.08 = 62,028.96 : x - Step 2: Convert to fraction form
106,740.96/147,304.08 = 62,028.96/x - Step 3: Cross multiply
106,740.96x = 147,304.08 × 62,028.96 - Step 4: Simplify right side
106,740.96x = 9,137,118,886.16 - Step 5: Solve for x
x = 9,137,118,886.16/106,740.96 - Step 6: Final answer
x = 85,600.87
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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.