Finding the Fourth Proportional to 542,374.26, 748,397.66 and 300,656.63
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Solution
The fourth proportional to 542,374.26, 748,397.66 and 300,656.63 is: 414,862.45
Step by Step Solution
- Step 1: Write the proportion equation
542,374.26 : 748,397.66 = 300,656.63 : x - Step 2: Convert to fraction form
542,374.26/748,397.66 = 300,656.63/x - Step 3: Cross multiply
542,374.26x = 748,397.66 × 300,656.63 - Step 4: Simplify right side
542,374.26x = 225,010,713,110.21 - Step 5: Solve for x
x = 225,010,713,110.21/542,374.26 - Step 6: Final answer
x = 414,862.45
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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.