Finding the Fourth Proportional to 286,335.60, 395,161.41 and 159,011.19
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Solution
The fourth proportional to 286,335.60, 395,161.41 and 159,011.19 is: 219,445.59
Step by Step Solution
- Step 1: Write the proportion equation
286,335.60 : 395,161.41 = 159,011.19 : x - Step 2: Convert to fraction form
286,335.60/395,161.41 = 159,011.19/x - Step 3: Cross multiply
286,335.60x = 395,161.41 × 159,011.19 - Step 4: Simplify right side
286,335.60x = 62,835,086,046.18 - Step 5: Solve for x
x = 62,835,086,046.18/286,335.60 - Step 6: Final answer
x = 219,445.59
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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.