Finding the Fourth Proportional to 98,209.13, 147,313.69 and 28,088.44
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Solution
The fourth proportional to 98,209.13, 147,313.69 and 28,088.44 is: 42,132.66
Step by Step Solution
- Step 1: Write the proportion equation
98,209.13 : 147,313.69 = 28,088.44 : x - Step 2: Convert to fraction form
98,209.13/147,313.69 = 28,088.44/x - Step 3: Cross multiply
98,209.13x = 147,313.69 × 28,088.44 - Step 4: Simplify right side
98,209.13x = 4,137,811,304.24 - Step 5: Solve for x
x = 4,137,811,304.24/98,209.13 - Step 6: Final answer
x = 42,132.66
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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.