Finding the Fourth Proportional to 214,781.63, 296,430.99 and 154,551.65
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Solution
The fourth proportional to 214,781.63, 296,430.99 and 154,551.65 is: 213,304.55
Step by Step Solution
- Step 1: Write the proportion equation
214,781.63 : 296,430.99 = 154,551.65 : x - Step 2: Convert to fraction form
214,781.63/296,430.99 = 154,551.65/x - Step 3: Cross multiply
214,781.63x = 296,430.99 × 154,551.65 - Step 4: Simplify right side
214,781.63x = 45,813,898,615.63 - Step 5: Solve for x
x = 45,813,898,615.63/214,781.63 - Step 6: Final answer
x = 213,304.55
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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.