Finding the Fourth Proportional to 221,259.96, 305,349.60 and 124,494.12
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Solution
The fourth proportional to 221,259.96, 305,349.60 and 124,494.12 is: 171,807.99
Step by Step Solution
- Step 1: Write the proportion equation
221,259.96 : 305,349.60 = 124,494.12 : x - Step 2: Convert to fraction form
221,259.96/305,349.60 = 124,494.12/x - Step 3: Cross multiply
221,259.96x = 305,349.60 × 124,494.12 - Step 4: Simplify right side
221,259.96x = 38,014,229,744.35 - Step 5: Solve for x
x = 38,014,229,744.35/221,259.96 - Step 6: Final answer
x = 171,807.99
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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.