Finding the Fourth Proportional to 405,101.07, 558,925.79 and 233,010.09
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Solution
The fourth proportional to 405,101.07, 558,925.79 and 233,010.09 is: 321,488.53
Step by Step Solution
- Step 1: Write the proportion equation
405,101.07 : 558,925.79 = 233,010.09 : x - Step 2: Convert to fraction form
405,101.07/558,925.79 = 233,010.09/x - Step 3: Cross multiply
405,101.07x = 558,925.79 × 233,010.09 - Step 4: Simplify right side
405,101.07x = 130,235,347,466.17 - Step 5: Solve for x
x = 130,235,347,466.17/405,101.07 - Step 6: Final answer
x = 321,488.53
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1.5x scale
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.