Finding the Fourth Proportional to 172,154.07, 258,245.99 and 47,495.07
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Solution
The fourth proportional to 172,154.07, 258,245.99 and 47,495.07 is: 71,246.71
Step by Step Solution
- Step 1: Write the proportion equation
172,154.07 : 258,245.99 = 47,495.07 : x - Step 2: Convert to fraction form
172,154.07/258,245.99 = 47,495.07/x - Step 3: Cross multiply
172,154.07x = 258,245.99 × 47,495.07 - Step 4: Simplify right side
172,154.07x = 12,265,411,134.79 - Step 5: Solve for x
x = 12,265,411,134.79/172,154.07 - Step 6: Final answer
x = 71,246.71
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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.