Finding the Fourth Proportional to 124,595.70, 186,893.55 and 121,315.20
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Solution
The fourth proportional to 124,595.70, 186,893.55 and 121,315.20 is: 181,972.80
Step by Step Solution
- Step 1: Write the proportion equation
124,595.70 : 186,893.55 = 121,315.20 : x - Step 2: Convert to fraction form
124,595.70/186,893.55 = 121,315.20/x - Step 3: Cross multiply
124,595.70x = 186,893.55 × 121,315.20 - Step 4: Simplify right side
124,595.70x = 22,673,028,396.96 - Step 5: Solve for x
x = 22,673,028,396.96/124,595.70 - Step 6: Final answer
x = 181,972.80
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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.