Finding the Fourth Proportional to 528,239.88, 791,886.24 and 191,201.58
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Solution
The fourth proportional to 528,239.88, 791,886.24 and 191,201.58 is: 286,630.95
Step by Step Solution
- Step 1: Write the proportion equation
528,239.88 : 791,886.24 = 191,201.58 : x - Step 2: Convert to fraction form
528,239.88/791,886.24 = 191,201.58/x - Step 3: Cross multiply
528,239.88x = 791,886.24 × 191,201.58 - Step 4: Simplify right side
528,239.88x = 151,409,900,268.26 - Step 5: Solve for x
x = 151,409,900,268.26/528,239.88 - Step 6: Final answer
x = 286,630.95
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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.