Finding the Fourth Proportional to 253,075.08, 349,228.62 and 139,891.08
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Solution
The fourth proportional to 253,075.08, 349,228.62 and 139,891.08 is: 193,041.40
Step by Step Solution
- Step 1: Write the proportion equation
253,075.08 : 349,228.62 = 139,891.08 : x - Step 2: Convert to fraction form
253,075.08/349,228.62 = 139,891.08/x - Step 3: Cross multiply
253,075.08x = 349,228.62 × 139,891.08 - Step 4: Simplify right side
253,075.08x = 48,853,968,818.71 - Step 5: Solve for x
x = 48,853,968,818.71/253,075.08 - Step 6: Final answer
x = 193,041.40
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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.