Finding the Fourth Proportional to 817,101.09, 1,225,848.47 and 256,135.59
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Solution
The fourth proportional to 817,101.09, 1,225,848.47 and 256,135.59 is: 384,265.09
Step by Step Solution
- Step 1: Write the proportion equation
817,101.09 : 1,225,848.47 = 256,135.59 : x - Step 2: Convert to fraction form
817,101.09/1,225,848.47 = 256,135.59/x - Step 3: Cross multiply
817,101.09x = 1,225,848.47 × 256,135.59 - Step 4: Simplify right side
817,101.09x = 313,983,419,833.37 - Step 5: Solve for x
x = 313,983,419,833.37/817,101.09 - Step 6: Final answer
x = 384,265.09
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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.