Finding the Fourth Proportional to 172,029.51, 258,044.27 and 53,710.99
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Solution
The fourth proportional to 172,029.51, 258,044.27 and 53,710.99 is: 80,566.48
Step by Step Solution
- Step 1: Write the proportion equation
172,029.51 : 258,044.27 = 53,710.99 : x - Step 2: Convert to fraction form
172,029.51/258,044.27 = 53,710.99/x - Step 3: Cross multiply
172,029.51x = 258,044.27 × 53,710.99 - Step 4: Simplify right side
172,029.51x = 13,859,812,291.86 - Step 5: Solve for x
x = 13,859,812,291.86/172,029.51 - Step 6: Final answer
x = 80,566.48
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1.5x scale
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.