Finding the Fourth Proportional to 418,783.68, 577,730.88 and 248,921.28
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Solution
The fourth proportional to 418,783.68, 577,730.88 and 248,921.28 is: 343,398.08
Step by Step Solution
- Step 1: Write the proportion equation
418,783.68 : 577,730.88 = 248,921.28 : x - Step 2: Convert to fraction form
418,783.68/577,730.88 = 248,921.28/x - Step 3: Cross multiply
418,783.68x = 577,730.88 × 248,921.28 - Step 4: Simplify right side
418,783.68x = 143,809,510,145.13 - Step 5: Solve for x
x = 143,809,510,145.13/418,783.68 - Step 6: Final answer
x = 343,398.08
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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.