Finding the Fourth Proportional to 370,646.10, 555,969.15 and 341,777.70
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Solution
The fourth proportional to 370,646.10, 555,969.15 and 341,777.70 is: 512,666.55
Step by Step Solution
- Step 1: Write the proportion equation
370,646.10 : 555,969.15 = 341,777.70 : x - Step 2: Convert to fraction form
370,646.10/555,969.15 = 341,777.70/x - Step 3: Cross multiply
370,646.10x = 555,969.15 × 341,777.70 - Step 4: Simplify right side
370,646.10x = 190,017,857,357.96 - Step 5: Solve for x
x = 190,017,857,357.96/370,646.10 - Step 6: Final answer
x = 512,666.55
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Similar ratio
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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.