Finding the Fourth Proportional to 418,493.60, 577,508.64 and 227,502.08
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Solution
The fourth proportional to 418,493.60, 577,508.64 and 227,502.08 is: 313,946.06
Step by Step Solution
- Step 1: Write the proportion equation
418,493.60 : 577,508.64 = 227,502.08 : x - Step 2: Convert to fraction form
418,493.60/577,508.64 = 227,502.08/x - Step 3: Cross multiply
418,493.60x = 577,508.64 × 227,502.08 - Step 4: Simplify right side
418,493.60x = 131,384,416,817.97 - Step 5: Solve for x
x = 131,384,416,817.97/418,493.60 - Step 6: Final answer
x = 313,946.06
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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.