Finding the Fourth Proportional to 292,878.64, 438,816.45 and 159,852.23
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Solution
The fourth proportional to 292,878.64, 438,816.45 and 159,852.23 is: 239,504.62
Step by Step Solution
- Step 1: Write the proportion equation
292,878.64 : 438,816.45 = 159,852.23 : x - Step 2: Convert to fraction form
292,878.64/438,816.45 = 159,852.23/x - Step 3: Cross multiply
292,878.64x = 438,816.45 × 159,852.23 - Step 4: Simplify right side
292,878.64x = 70,145,788,093.18 - Step 5: Solve for x
x = 70,145,788,093.18/292,878.64 - Step 6: Final answer
x = 239,504.62
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1.5x scale
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.