Finding the Fourth Proportional to 426,986.06, 589,243.05 and 233,394.03
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Solution
The fourth proportional to 426,986.06, 589,243.05 and 233,394.03 is: 322,085.02
Step by Step Solution
- Step 1: Write the proportion equation
426,986.06 : 589,243.05 = 233,394.03 : x - Step 2: Convert to fraction form
426,986.06/589,243.05 = 233,394.03/x - Step 3: Cross multiply
426,986.06x = 589,243.05 × 233,394.03 - Step 4: Simplify right side
426,986.06x = 137,525,810,088.99 - Step 5: Solve for x
x = 137,525,810,088.99/426,986.06 - Step 6: Final answer
x = 322,085.02
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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.