Finding the Fourth Proportional to 249,252.93, 343,967.29 and 136,075.68
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Solution
The fourth proportional to 249,252.93, 343,967.29 and 136,075.68 is: 187,783.48
Step by Step Solution
- Step 1: Write the proportion equation
249,252.93 : 343,967.29 = 136,075.68 : x - Step 2: Convert to fraction form
249,252.93/343,967.29 = 136,075.68/x - Step 3: Cross multiply
249,252.93x = 343,967.29 × 136,075.68 - Step 4: Simplify right side
249,252.93x = 46,805,582,544.32 - Step 5: Solve for x
x = 46,805,582,544.32/249,252.93 - Step 6: Final answer
x = 187,783.48
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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.