Finding the Fourth Proportional to 97,156.81, 145,466.11 and 49,669.68
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Solution
The fourth proportional to 97,156.81, 145,466.11 and 49,669.68 is: 74,366.94
Step by Step Solution
- Step 1: Write the proportion equation
97,156.81 : 145,466.11 = 49,669.68 : x - Step 2: Convert to fraction form
97,156.81/145,466.11 = 49,669.68/x - Step 3: Cross multiply
97,156.81x = 145,466.11 × 49,669.68 - Step 4: Simplify right side
97,156.81x = 7,225,255,134.54 - Step 5: Solve for x
x = 7,225,255,134.54/97,156.81 - Step 6: Final answer
x = 74,366.94
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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.