Finding the Fourth Proportional to 291,455.60, 437,377.80 and 133,602.80
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Solution
The fourth proportional to 291,455.60, 437,377.80 and 133,602.80 is: 200,493.31
Step by Step Solution
- Step 1: Write the proportion equation
291,455.60 : 437,377.80 = 133,602.80 : x - Step 2: Convert to fraction form
291,455.60/437,377.80 = 133,602.80/x - Step 3: Cross multiply
291,455.60x = 437,377.80 × 133,602.80 - Step 4: Simplify right side
291,455.60x = 58,434,898,737.84 - Step 5: Solve for x
x = 58,434,898,737.84/291,455.60 - Step 6: Final answer
x = 200,493.31
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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.