Finding the Fourth Proportional to 418,622.24, 577,709.64 and 227,646.80
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Solution
The fourth proportional to 418,622.24, 577,709.64 and 227,646.80 is: 314,158.54
Step by Step Solution
- Step 1: Write the proportion equation
418,622.24 : 577,709.64 = 227,646.80 : x - Step 2: Convert to fraction form
418,622.24/577,709.64 = 227,646.80/x - Step 3: Cross multiply
418,622.24x = 577,709.64 × 227,646.80 - Step 4: Simplify right side
418,622.24x = 131,513,750,875.15 - Step 5: Solve for x
x = 131,513,750,875.15/418,622.24 - Step 6: Final answer
x = 314,158.54
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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.