Finding the Fourth Proportional to 1,030,341.36, 1,545,337.08 and 272,191.08
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Solution
The fourth proportional to 1,030,341.36, 1,545,337.08 and 272,191.08 is: 408,240.40
Step by Step Solution
- Step 1: Write the proportion equation
1,030,341.36 : 1,545,337.08 = 272,191.08 : x - Step 2: Convert to fraction form
1,030,341.36/1,545,337.08 = 272,191.08/x - Step 3: Cross multiply
1,030,341.36x = 1,545,337.08 × 272,191.08 - Step 4: Simplify right side
1,030,341.36x = 420,626,968,769.25 - Step 5: Solve for x
x = 420,626,968,769.25/1,030,341.36 - Step 6: Final answer
x = 408,240.40
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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.