Finding the Fourth Proportional to 756,277.70, 1,134,416.55 and 195,312.20
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Solution
The fourth proportional to 756,277.70, 1,134,416.55 and 195,312.20 is: 292,968.30
Step by Step Solution
- Step 1: Write the proportion equation
756,277.70 : 1,134,416.55 = 195,312.20 : x - Step 2: Convert to fraction form
756,277.70/1,134,416.55 = 195,312.20/x - Step 3: Cross multiply
756,277.70x = 1,134,416.55 × 195,312.20 - Step 4: Simplify right side
756,277.70x = 221,565,392,096.91 - Step 5: Solve for x
x = 221,565,392,096.91/756,277.70 - Step 6: Final answer
x = 292,968.30
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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.