Finding the Fourth Proportional to 418,238.84, 577,173.12 and 227,252.23
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Solution
The fourth proportional to 418,238.84, 577,173.12 and 227,252.23 is: 313,609.99
Step by Step Solution
- Step 1: Write the proportion equation
418,238.84 : 577,173.12 = 227,252.23 : x - Step 2: Convert to fraction form
418,238.84/577,173.12 = 227,252.23/x - Step 3: Cross multiply
418,238.84x = 577,173.12 × 227,252.23 - Step 4: Simplify right side
418,238.84x = 131,163,878,616.06 - Step 5: Solve for x
x = 131,163,878,616.06/418,238.84 - Step 6: Final answer
x = 313,609.99
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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.