Finding the Fourth Proportional to 649,207.20, 973,810.80 and 175,951.20
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Solution
The fourth proportional to 649,207.20, 973,810.80 and 175,951.20 is: 263,926.80
Step by Step Solution
- Step 1: Write the proportion equation
649,207.20 : 973,810.80 = 175,951.20 : x - Step 2: Convert to fraction form
649,207.20/973,810.80 = 175,951.20/x - Step 3: Cross multiply
649,207.20x = 973,810.80 × 175,951.20 - Step 4: Simplify right side
649,207.20x = 171,343,178,832.96 - Step 5: Solve for x
x = 171,343,178,832.96/649,207.20 - Step 6: Final answer
x = 263,926.80
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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.