Finding the Fourth Proportional to 765,648.84, 1,148,385.60 and 204,727.08
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Solution
The fourth proportional to 765,648.84, 1,148,385.60 and 204,727.08 is: 307,067.18
Step by Step Solution
- Step 1: Write the proportion equation
765,648.84 : 1,148,385.60 = 204,727.08 : x - Step 2: Convert to fraction form
765,648.84/1,148,385.60 = 204,727.08/x - Step 3: Cross multiply
765,648.84x = 1,148,385.60 × 204,727.08 - Step 4: Simplify right side
765,648.84x = 235,105,630,602.05 - Step 5: Solve for x
x = 235,105,630,602.05/765,648.84 - Step 6: Final answer
x = 307,067.18
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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.