Finding the Fourth Proportional to 305,567.78, 458,382.99 and 105,888.02
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Solution
The fourth proportional to 305,567.78, 458,382.99 and 105,888.02 is: 158,842.88
Step by Step Solution
- Step 1: Write the proportion equation
305,567.78 : 458,382.99 = 105,888.02 : x - Step 2: Convert to fraction form
305,567.78/458,382.99 = 105,888.02/x - Step 3: Cross multiply
305,567.78x = 458,382.99 × 105,888.02 - Step 4: Simplify right side
305,567.78x = 48,537,267,212.78 - Step 5: Solve for x
x = 48,537,267,212.78/305,567.78 - Step 6: Final answer
x = 158,842.88
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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.