Finding the Fourth Proportional to 249,620.20, 374,430.30 and 149,728.98
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Solution
The fourth proportional to 249,620.20, 374,430.30 and 149,728.98 is: 224,593.47
Step by Step Solution
- Step 1: Write the proportion equation
249,620.20 : 374,430.30 = 149,728.98 : x - Step 2: Convert to fraction form
249,620.20/374,430.30 = 149,728.98/x - Step 3: Cross multiply
249,620.20x = 374,430.30 × 149,728.98 - Step 4: Simplify right side
249,620.20x = 56,063,066,900.09 - Step 5: Solve for x
x = 56,063,066,900.09/249,620.20 - Step 6: Final answer
x = 224,593.47
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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.