Finding the Fourth Proportional to 272,935.68, 409,368.96 and 106,840.32
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Solution
The fourth proportional to 272,935.68, 409,368.96 and 106,840.32 is: 160,246.95
Step by Step Solution
- Step 1: Write the proportion equation
272,935.68 : 409,368.96 = 106,840.32 : x - Step 2: Convert to fraction form
272,935.68/409,368.96 = 106,840.32/x - Step 3: Cross multiply
272,935.68x = 409,368.96 × 106,840.32 - Step 4: Simplify right side
272,935.68x = 43,737,110,684.47 - Step 5: Solve for x
x = 43,737,110,684.47/272,935.68 - Step 6: Final answer
x = 160,246.95
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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.