Finding the Fourth Proportional to 253,777.96, 350,228.10 and 153,191.08
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Solution
The fourth proportional to 253,777.96, 350,228.10 and 153,191.08 is: 211,412.45
Step by Step Solution
- Step 1: Write the proportion equation
253,777.96 : 350,228.10 = 153,191.08 : x - Step 2: Convert to fraction form
253,777.96/350,228.10 = 153,191.08/x - Step 3: Cross multiply
253,777.96x = 350,228.10 × 153,191.08 - Step 4: Simplify right side
253,777.96x = 53,651,820,885.35 - Step 5: Solve for x
x = 53,651,820,885.35/253,777.96 - Step 6: Final answer
x = 211,412.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.