Finding the Fourth Proportional to 169,752.58, 234,170.71 and 115,307.55
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Solution
The fourth proportional to 169,752.58, 234,170.71 and 115,307.55 is: 159,064.75
Step by Step Solution
- Step 1: Write the proportion equation
169,752.58 : 234,170.71 = 115,307.55 : x - Step 2: Convert to fraction form
169,752.58/234,170.71 = 115,307.55/x - Step 3: Cross multiply
169,752.58x = 234,170.71 × 115,307.55 - Step 4: Simplify right side
169,752.58x = 27,001,651,212.20 - Step 5: Solve for x
x = 27,001,651,212.20/169,752.58 - Step 6: Final answer
x = 159,064.75
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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.