Finding the Fourth Proportional to 268,937.67, 403,129.71 and 119,248.45
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Solution
The fourth proportional to 268,937.67, 403,129.71 and 119,248.45 is: 178,749.95
Step by Step Solution
- Step 1: Write the proportion equation
268,937.67 : 403,129.71 = 119,248.45 : x - Step 2: Convert to fraction form
268,937.67/403,129.71 = 119,248.45/x - Step 3: Cross multiply
268,937.67x = 403,129.71 × 119,248.45 - Step 4: Simplify right side
268,937.67x = 48,072,594,326.23 - Step 5: Solve for x
x = 48,072,594,326.23/268,937.67 - Step 6: Final answer
x = 178,749.95
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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.