Finding the Fourth Proportional to 185,894.08, 278,612.70 and 85,919.02
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Solution
The fourth proportional to 185,894.08, 278,612.70 and 85,919.02 is: 128,772.96
Step by Step Solution
- Step 1: Write the proportion equation
185,894.08 : 278,612.70 = 85,919.02 : x - Step 2: Convert to fraction form
185,894.08/278,612.70 = 85,919.02/x - Step 3: Cross multiply
185,894.08x = 278,612.70 × 85,919.02 - Step 4: Simplify right side
185,894.08x = 23,938,130,143.55 - Step 5: Solve for x
x = 23,938,130,143.55/185,894.08 - Step 6: Final answer
x = 128,772.96
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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.