Finding the Fourth Proportional to 539,566.80, 809,350.20 and 165,541.20
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Solution
The fourth proportional to 539,566.80, 809,350.20 and 165,541.20 is: 248,311.80
Step by Step Solution
- Step 1: Write the proportion equation
539,566.80 : 809,350.20 = 165,541.20 : x - Step 2: Convert to fraction form
539,566.80/809,350.20 = 165,541.20/x - Step 3: Cross multiply
539,566.80x = 809,350.20 × 165,541.20 - Step 4: Simplify right side
539,566.80x = 133,980,803,328.24 - Step 5: Solve for x
x = 133,980,803,328.24/539,566.80 - Step 6: Final answer
x = 248,311.80
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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.