Finding the Fourth Proportional to 97,132.29, 145,708.88 and 30,574.41
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Solution
The fourth proportional to 97,132.29, 145,708.88 and 30,574.41 is: 45,864.90
Step by Step Solution
- Step 1: Write the proportion equation
97,132.29 : 145,708.88 = 30,574.41 : x - Step 2: Convert to fraction form
97,132.29/145,708.88 = 30,574.41/x - Step 3: Cross multiply
97,132.29x = 145,708.88 × 30,574.41 - Step 4: Simplify right side
97,132.29x = 4,454,962,884.89 - Step 5: Solve for x
x = 4,454,962,884.89/97,132.29 - Step 6: Final answer
x = 45,864.90
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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.