Finding the Fourth Proportional to 234,798.10, 352,197.15 and 155,655.70
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Solution
The fourth proportional to 234,798.10, 352,197.15 and 155,655.70 is: 233,483.55
Step by Step Solution
- Step 1: Write the proportion equation
234,798.10 : 352,197.15 = 155,655.70 : x - Step 2: Convert to fraction form
234,798.10/352,197.15 = 155,655.70/x - Step 3: Cross multiply
234,798.10x = 352,197.15 × 155,655.70 - Step 4: Simplify right side
234,798.10x = 54,821,493,921.26 - Step 5: Solve for x
x = 54,821,493,921.26/234,798.10 - Step 6: Final answer
x = 233,483.55
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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.