Finding the Fourth Proportional to 98,302.17, 147,454.88 and 28,181.49
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Solution
The fourth proportional to 98,302.17, 147,454.88 and 28,181.49 is: 42,272.70
Step by Step Solution
- Step 1: Write the proportion equation
98,302.17 : 147,454.88 = 28,181.49 : x - Step 2: Convert to fraction form
98,302.17/147,454.88 = 28,181.49/x - Step 3: Cross multiply
98,302.17x = 147,454.88 × 28,181.49 - Step 4: Simplify right side
98,302.17x = 4,155,498,085.26 - Step 5: Solve for x
x = 4,155,498,085.26/98,302.17 - Step 6: Final answer
x = 42,272.70
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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.