Finding the Fourth Proportional to 386,260.07, 533,214.08 and 248,637.63
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Solution
The fourth proportional to 386,260.07, 533,214.08 and 248,637.63 is: 343,232.69
Step by Step Solution
- Step 1: Write the proportion equation
386,260.07 : 533,214.08 = 248,637.63 : x - Step 2: Convert to fraction form
386,260.07/533,214.08 = 248,637.63/x - Step 3: Cross multiply
386,260.07x = 533,214.08 × 248,637.63 - Step 4: Simplify right side
386,260.07x = 132,577,084,823.03 - Step 5: Solve for x
x = 132,577,084,823.03/386,260.07 - Step 6: Final answer
x = 343,232.69
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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.