Finding the Fourth Proportional to 249,963.44, 374,943.34 and 100,201.55
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Solution
The fourth proportional to 249,963.44, 374,943.34 and 100,201.55 is: 150,301.60
Step by Step Solution
- Step 1: Write the proportion equation
249,963.44 : 374,943.34 = 100,201.55 : x - Step 2: Convert to fraction form
249,963.44/374,943.34 = 100,201.55/x - Step 3: Cross multiply
249,963.44x = 374,943.34 × 100,201.55 - Step 4: Simplify right side
249,963.44x = 37,569,903,830.18 - Step 5: Solve for x
x = 37,569,903,830.18/249,963.44 - Step 6: Final answer
x = 150,301.60
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1.5x scale
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.