Finding the Fourth Proportional to 98,204.19, 147,303.36 and 27,131.09
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Solution
The fourth proportional to 98,204.19, 147,303.36 and 27,131.09 is: 40,695.82
Step by Step Solution
- Step 1: Write the proportion equation
98,204.19 : 147,303.36 = 27,131.09 : x - Step 2: Convert to fraction form
98,204.19/147,303.36 = 27,131.09/x - Step 3: Cross multiply
98,204.19x = 147,303.36 × 27,131.09 - Step 4: Simplify right side
98,204.19x = 3,996,499,980.95 - Step 5: Solve for x
x = 3,996,499,980.95/98,204.19 - Step 6: Final answer
x = 40,695.82
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1.5x scale
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.