Finding the Fourth Proportional to 542,803.68, 749,071.08 and 301,108.68
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Solution
The fourth proportional to 542,803.68, 749,071.08 and 301,108.68 is: 415,531.09
Step by Step Solution
- Step 1: Write the proportion equation
542,803.68 : 749,071.08 = 301,108.68 : x - Step 2: Convert to fraction form
542,803.68/749,071.08 = 301,108.68/x - Step 3: Cross multiply
542,803.68x = 749,071.08 × 301,108.68 - Step 4: Simplify right side
542,803.68x = 225,551,804,124.97 - Step 5: Solve for x
x = 225,551,804,124.97/542,803.68 - Step 6: Final answer
x = 415,531.09
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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.