Finding the Fourth Proportional to 97,246.80, 145,578.60 and 91,479.60
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Solution
The fourth proportional to 97,246.80, 145,578.60 and 91,479.60 is: 136,945.09
Step by Step Solution
- Step 1: Write the proportion equation
97,246.80 : 145,578.60 = 91,479.60 : x - Step 2: Convert to fraction form
97,246.80/145,578.60 = 91,479.60/x - Step 3: Cross multiply
97,246.80x = 145,578.60 × 91,479.60 - Step 4: Simplify right side
97,246.80x = 13,317,472,096.56 - Step 5: Solve for x
x = 13,317,472,096.56/97,246.80 - Step 6: Final answer
x = 136,945.09
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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.