Finding the Fourth Proportional to 199,781.84, 275,707.34 and 114,898.98
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Solution
The fourth proportional to 199,781.84, 275,707.34 and 114,898.98 is: 158,565.42
Step by Step Solution
- Step 1: Write the proportion equation
199,781.84 : 275,707.34 = 114,898.98 : x - Step 2: Convert to fraction form
199,781.84/275,707.34 = 114,898.98/x - Step 3: Cross multiply
199,781.84x = 275,707.34 × 114,898.98 - Step 4: Simplify right side
199,781.84x = 31,678,492,144.51 - Step 5: Solve for x
x = 31,678,492,144.51/199,781.84 - Step 6: Final answer
x = 158,565.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.