Finding the Fourth Proportional to 187,030.08, 280,581.68 and 68,702.28
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Solution
The fourth proportional to 187,030.08, 280,581.68 and 68,702.28 is: 103,066.85
Step by Step Solution
- Step 1: Write the proportion equation
187,030.08 : 280,581.68 = 68,702.28 : x - Step 2: Convert to fraction form
187,030.08/280,581.68 = 68,702.28/x - Step 3: Cross multiply
187,030.08x = 280,581.68 × 68,702.28 - Step 4: Simplify right side
187,030.08x = 19,276,601,142.23 - Step 5: Solve for x
x = 19,276,601,142.23/187,030.08 - Step 6: Final answer
x = 103,066.85
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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.