Finding the Fourth Proportional to 249,743.20, 374,614.80 and 174,947.80
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Solution
The fourth proportional to 249,743.20, 374,614.80 and 174,947.80 is: 262,421.70
Step by Step Solution
- Step 1: Write the proportion equation
249,743.20 : 374,614.80 = 174,947.80 : x - Step 2: Convert to fraction form
249,743.20/374,614.80 = 174,947.80/x - Step 3: Cross multiply
249,743.20x = 374,614.80 × 174,947.80 - Step 4: Simplify right side
249,743.20x = 65,538,035,107.44 - Step 5: Solve for x
x = 65,538,035,107.44/249,743.20 - Step 6: Final answer
x = 262,421.70
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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.