Finding the Fourth Proportional to 353,202.93, 529,805.61 and 86,969.70
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Solution
The fourth proportional to 353,202.93, 529,805.61 and 86,969.70 is: 130,454.85
Step by Step Solution
- Step 1: Write the proportion equation
353,202.93 : 529,805.61 = 86,969.70 : x - Step 2: Convert to fraction form
353,202.93/529,805.61 = 86,969.70/x - Step 3: Cross multiply
353,202.93x = 529,805.61 × 86,969.70 - Step 4: Simplify right side
353,202.93x = 46,077,034,960.02 - Step 5: Solve for x
x = 46,077,034,960.02/353,202.93 - Step 6: Final answer
x = 130,454.85
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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.