Finding the Fourth Proportional to 315,092.06, 472,637.30 and 135,060.75
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Solution
The fourth proportional to 315,092.06, 472,637.30 and 135,060.75 is: 202,590.79
Step by Step Solution
- Step 1: Write the proportion equation
315,092.06 : 472,637.30 = 135,060.75 : x - Step 2: Convert to fraction form
315,092.06/472,637.30 = 135,060.75/x - Step 3: Cross multiply
315,092.06x = 472,637.30 × 135,060.75 - Step 4: Simplify right side
315,092.06x = 63,834,747,540.67 - Step 5: Solve for x
x = 63,834,747,540.67/315,092.06 - Step 6: Final answer
x = 202,590.79
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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.