Finding the Fourth Proportional to 249,439.20, 374,158.80 and 174,643.80
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Solution
The fourth proportional to 249,439.20, 374,158.80 and 174,643.80 is: 261,965.70
Step by Step Solution
- Step 1: Write the proportion equation
249,439.20 : 374,158.80 = 174,643.80 : x - Step 2: Convert to fraction form
249,439.20/374,158.80 = 174,643.80/x - Step 3: Cross multiply
249,439.20x = 374,158.80 × 174,643.80 - Step 4: Simplify right side
249,439.20x = 65,344,514,635.44 - Step 5: Solve for x
x = 65,344,514,635.44/249,439.20 - Step 6: Final answer
x = 261,965.70
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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.