Finding the Fourth Proportional to 418,885.24, 578,055.27 and 227,894.26
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Solution
The fourth proportional to 418,885.24, 578,055.27 and 227,894.26 is: 314,490.62
Step by Step Solution
- Step 1: Write the proportion equation
418,885.24 : 578,055.27 = 227,894.26 : x - Step 2: Convert to fraction form
418,885.24/578,055.27 = 227,894.26/x - Step 3: Cross multiply
418,885.24x = 578,055.27 × 227,894.26 - Step 4: Simplify right side
418,885.24x = 131,735,477,995.75 - Step 5: Solve for x
x = 131,735,477,995.75/418,885.24 - Step 6: Final answer
x = 314,490.62
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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.