Finding the Fourth Proportional to 418,254.14, 577,194.36 and 227,267.53
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Solution
The fourth proportional to 418,254.14, 577,194.36 and 227,267.53 is: 313,631.18
Step by Step Solution
- Step 1: Write the proportion equation
418,254.14 : 577,194.36 = 227,267.53 : x - Step 2: Convert to fraction form
418,254.14/577,194.36 = 227,267.53/x - Step 3: Cross multiply
418,254.14x = 577,194.36 × 227,267.53 - Step 4: Simplify right side
418,254.14x = 131,177,537,348.59 - Step 5: Solve for x
x = 131,177,537,348.59/418,254.14 - Step 6: Final answer
x = 313,631.18
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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.