Finding the Fourth Proportional to 359,485.62, 539,228.61 and 122,830.62
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Solution
The fourth proportional to 359,485.62, 539,228.61 and 122,830.62 is: 184,245.99
Step by Step Solution
- Step 1: Write the proportion equation
359,485.62 : 539,228.61 = 122,830.62 : x - Step 2: Convert to fraction form
359,485.62/539,228.61 = 122,830.62/x - Step 3: Cross multiply
359,485.62x = 539,228.61 × 122,830.62 - Step 4: Simplify right side
359,485.62x = 66,233,784,488.04 - Step 5: Solve for x
x = 66,233,784,488.04/359,485.62 - Step 6: Final answer
x = 184,245.99
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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.