Finding the Fourth Proportional to 455,604.90, 683,398.13 and 118,638.09
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Solution
The fourth proportional to 455,604.90, 683,398.13 and 118,638.09 is: 177,954.73
Step by Step Solution
- Step 1: Write the proportion equation
455,604.90 : 683,398.13 = 118,638.09 : x - Step 2: Convert to fraction form
455,604.90/683,398.13 = 118,638.09/x - Step 3: Cross multiply
455,604.90x = 683,398.13 × 118,638.09 - Step 4: Simplify right side
455,604.90x = 81,077,048,852.77 - Step 5: Solve for x
x = 81,077,048,852.77/455,604.90 - Step 6: Final answer
x = 177,954.73
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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.