Finding the Fourth Proportional to 98,209.67, 147,138.39 and 59,671.08
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Solution
The fourth proportional to 98,209.67, 147,138.39 and 59,671.08 is: 89,399.62
Step by Step Solution
- Step 1: Write the proportion equation
98,209.67 : 147,138.39 = 59,671.08 : x - Step 2: Convert to fraction form
98,209.67/147,138.39 = 59,671.08/x - Step 3: Cross multiply
98,209.67x = 147,138.39 × 59,671.08 - Step 4: Simplify right side
98,209.67x = 8,779,906,640.76 - Step 5: Solve for x
x = 8,779,906,640.76/98,209.67 - Step 6: Final answer
x = 89,399.62
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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.