Finding the Fourth Proportional to 199,397.48, 299,152.68 and 81,153.68
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Solution
The fourth proportional to 199,397.48, 299,152.68 and 81,153.68 is: 121,753.50
Step by Step Solution
- Step 1: Write the proportion equation
199,397.48 : 299,152.68 = 81,153.68 : x - Step 2: Convert to fraction form
199,397.48/299,152.68 = 81,153.68/x - Step 3: Cross multiply
199,397.48x = 299,152.68 × 81,153.68 - Step 4: Simplify right side
199,397.48x = 24,277,340,863.86 - Step 5: Solve for x
x = 24,277,340,863.86/199,397.48 - Step 6: Final answer
x = 121,753.50
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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.