Finding the Fourth Proportional to 361,788.19, 542,764.94 and 125,130.62
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Solution
The fourth proportional to 361,788.19, 542,764.94 and 125,130.62 is: 187,724.52
Step by Step Solution
- Step 1: Write the proportion equation
361,788.19 : 542,764.94 = 125,130.62 : x - Step 2: Convert to fraction form
361,788.19/542,764.94 = 125,130.62/x - Step 3: Cross multiply
361,788.19x = 542,764.94 × 125,130.62 - Step 4: Simplify right side
361,788.19x = 67,916,514,187.72 - Step 5: Solve for x
x = 67,916,514,187.72/361,788.19 - Step 6: Final answer
x = 187,724.52
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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.