Finding the Fourth Proportional to 313,675.13, 472,876.08 and 293,379.77
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Solution
The fourth proportional to 313,675.13, 472,876.08 and 293,379.77 is: 442,280.12
Step by Step Solution
- Step 1: Write the proportion equation
313,675.13 : 472,876.08 = 293,379.77 : x - Step 2: Convert to fraction form
313,675.13/472,876.08 = 293,379.77/x - Step 3: Cross multiply
313,675.13x = 472,876.08 × 293,379.77 - Step 4: Simplify right side
313,675.13x = 138,732,275,670.92 - Step 5: Solve for x
x = 138,732,275,670.92/313,675.13 - Step 6: Final answer
x = 442,280.12
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.