Finding the Fourth Proportional to 528,595.66, 792,886.40 and 129,239.88
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Solution
The fourth proportional to 528,595.66, 792,886.40 and 129,239.88 is: 193,858.09
Step by Step Solution
- Step 1: Write the proportion equation
528,595.66 : 792,886.40 = 129,239.88 : x - Step 2: Convert to fraction form
528,595.66/792,886.40 = 129,239.88/x - Step 3: Cross multiply
528,595.66x = 792,886.40 × 129,239.88 - Step 4: Simplify right side
528,595.66x = 102,472,543,189.63 - Step 5: Solve for x
x = 102,472,543,189.63/528,595.66 - Step 6: Final answer
x = 193,858.09
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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.