Finding the Fourth Proportional to 249,579.36, 374,392.80 and 91,810.80
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Solution
The fourth proportional to 249,579.36, 374,392.80 and 91,810.80 is: 137,724.94
Step by Step Solution
- Step 1: Write the proportion equation
249,579.36 : 374,392.80 = 91,810.80 : x - Step 2: Convert to fraction form
249,579.36/374,392.80 = 91,810.80/x - Step 3: Cross multiply
249,579.36x = 374,392.80 × 91,810.80 - Step 4: Simplify right side
249,579.36x = 34,373,302,482.24 - Step 5: Solve for x
x = 34,373,302,482.24/249,579.36 - Step 6: Final answer
x = 137,724.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.