Finding the Fourth Proportional to 556,070.23, 767,356.23 and 301,415.95
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Solution
The fourth proportional to 556,070.23, 767,356.23 and 301,415.95 is: 415,942.80
Step by Step Solution
- Step 1: Write the proportion equation
556,070.23 : 767,356.23 = 301,415.95 : x - Step 2: Convert to fraction form
556,070.23/767,356.23 = 301,415.95/x - Step 3: Cross multiply
556,070.23x = 767,356.23 × 301,415.95 - Step 4: Simplify right side
556,070.23x = 231,293,407,053.87 - Step 5: Solve for x
x = 231,293,407,053.87/556,070.23 - Step 6: Final answer
x = 415,942.80
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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.