Finding the Fourth Proportional to 503,878.79, 755,813.48 and 204,288.15
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Solution
The fourth proportional to 503,878.79, 755,813.48 and 204,288.15 is: 306,430.32
Step by Step Solution
- Step 1: Write the proportion equation
503,878.79 : 755,813.48 = 204,288.15 : x - Step 2: Convert to fraction form
503,878.79/755,813.48 = 204,288.15/x - Step 3: Cross multiply
503,878.79x = 755,813.48 × 204,288.15 - Step 4: Simplify right side
503,878.79x = 154,403,736,552.82 - Step 5: Solve for x
x = 154,403,736,552.82/503,878.79 - Step 6: Final answer
x = 306,430.32
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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.