Finding the Fourth Proportional to 243,692.96, 336,273.36 and 136,248.08
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Solution
The fourth proportional to 243,692.96, 336,273.36 and 136,248.08 is: 188,009.53
Step by Step Solution
- Step 1: Write the proportion equation
243,692.96 : 336,273.36 = 136,248.08 : x - Step 2: Convert to fraction form
243,692.96/336,273.36 = 136,248.08/x - Step 3: Cross multiply
243,692.96x = 336,273.36 × 136,248.08 - Step 4: Simplify right side
243,692.96x = 45,816,599,655.15 - Step 5: Solve for x
x = 45,816,599,655.15/243,692.96 - Step 6: Final answer
x = 188,009.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.