Finding the Fourth Proportional to 539,497.08, 809,245.35 and 160,416.18
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Solution
The fourth proportional to 539,497.08, 809,245.35 and 160,416.18 is: 240,624.19
Step by Step Solution
- Step 1: Write the proportion equation
539,497.08 : 809,245.35 = 160,416.18 : x - Step 2: Convert to fraction form
539,497.08/809,245.35 = 160,416.18/x - Step 3: Cross multiply
539,497.08x = 809,245.35 × 160,416.18 - Step 4: Simplify right side
539,497.08x = 129,816,047,729.76 - Step 5: Solve for x
x = 129,816,047,729.76/539,497.08 - Step 6: Final answer
x = 240,624.19
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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.