Finding the Fourth Proportional to 455,605.43, 683,398.92 and 118,638.62
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Solution
The fourth proportional to 455,605.43, 683,398.92 and 118,638.62 is: 177,955.53
Step by Step Solution
- Step 1: Write the proportion equation
455,605.43 : 683,398.92 = 118,638.62 : x - Step 2: Convert to fraction form
455,605.43/683,398.92 = 118,638.62/x - Step 3: Cross multiply
455,605.43x = 683,398.92 × 118,638.62 - Step 4: Simplify right side
455,605.43x = 81,077,508,213.06 - Step 5: Solve for x
x = 81,077,508,213.06/455,605.43 - Step 6: Final answer
x = 177,955.53
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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.