Finding the Fourth Proportional to 98,238.24, 147,357.12 and 28,117.44
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Solution
The fourth proportional to 98,238.24, 147,357.12 and 28,117.44 is: 42,176.09
Step by Step Solution
- Step 1: Write the proportion equation
98,238.24 : 147,357.12 = 28,117.44 : x - Step 2: Convert to fraction form
98,238.24/147,357.12 = 28,117.44/x - Step 3: Cross multiply
98,238.24x = 147,357.12 × 28,117.44 - Step 4: Simplify right side
98,238.24x = 4,143,304,980.17 - Step 5: Solve for x
x = 4,143,304,980.17/98,238.24 - Step 6: Final answer
x = 42,176.09
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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.