Finding the Fourth Proportional to 98,509.32, 135,937.26 and 58,226.82
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Solution
The fourth proportional to 98,509.32, 135,937.26 and 58,226.82 is: 80,349.70
Step by Step Solution
- Step 1: Write the proportion equation
98,509.32 : 135,937.26 = 58,226.82 : x - Step 2: Convert to fraction form
98,509.32/135,937.26 = 58,226.82/x - Step 3: Cross multiply
98,509.32x = 135,937.26 × 58,226.82 - Step 4: Simplify right side
98,509.32x = 7,915,194,369.31 - Step 5: Solve for x
x = 7,915,194,369.31/98,509.32 - Step 6: Final answer
x = 80,349.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.