Finding the Fourth Proportional to 575,958.69, 863,879.70 and 155,277.09
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Solution
The fourth proportional to 575,958.69, 863,879.70 and 155,277.09 is: 232,899.91
Step by Step Solution
- Step 1: Write the proportion equation
575,958.69 : 863,879.70 = 155,277.09 : x - Step 2: Convert to fraction form
575,958.69/863,879.70 = 155,277.09/x - Step 3: Cross multiply
575,958.69x = 863,879.70 × 155,277.09 - Step 4: Simplify right side
575,958.69x = 134,140,725,926.07 - Step 5: Solve for x
x = 134,140,725,926.07/575,958.69 - Step 6: Final answer
x = 232,899.91
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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.