Finding the Fourth Proportional to 418,199.06, 577,163.90 and 248,433.18
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Solution
The fourth proportional to 418,199.06, 577,163.90 and 248,433.18 is: 342,867.01
Step by Step Solution
- Step 1: Write the proportion equation
418,199.06 : 577,163.90 = 248,433.18 : x - Step 2: Convert to fraction form
418,199.06/577,163.90 = 248,433.18/x - Step 3: Cross multiply
418,199.06x = 577,163.90 × 248,433.18 - Step 4: Simplify right side
418,199.06x = 143,386,663,058.20 - Step 5: Solve for x
x = 143,386,663,058.20/418,199.06 - Step 6: Final answer
x = 342,867.01
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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.