Finding the Fourth Proportional to 817,098.64, 1,225,844.93 and 256,133.14
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Solution
The fourth proportional to 817,098.64, 1,225,844.93 and 256,133.14 is: 384,261.45
Step by Step Solution
- Step 1: Write the proportion equation
817,098.64 : 1,225,844.93 = 256,133.14 : x - Step 2: Convert to fraction form
817,098.64/1,225,844.93 = 256,133.14/x - Step 3: Cross multiply
817,098.64x = 1,225,844.93 × 256,133.14 - Step 4: Simplify right side
817,098.64x = 313,979,511,073.98 - Step 5: Solve for x
x = 313,979,511,073.98/817,098.64 - Step 6: Final answer
x = 384,261.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.