Finding the Fourth Proportional to 438,448.74, 657,598.99 and 122,833.05
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Solution
The fourth proportional to 438,448.74, 657,598.99 and 122,833.05 is: 184,228.81
Step by Step Solution
- Step 1: Write the proportion equation
438,448.74 : 657,598.99 = 122,833.05 : x - Step 2: Convert to fraction form
438,448.74/657,598.99 = 122,833.05/x - Step 3: Cross multiply
438,448.74x = 657,598.99 × 122,833.05 - Step 4: Simplify right side
438,448.74x = 80,774,889,618.62 - Step 5: Solve for x
x = 80,774,889,618.62/438,448.74 - Step 6: Final answer
x = 184,228.81
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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.