Finding the Fourth Proportional to 305,136.60, 457,595.55 and 155,327.10
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Solution
The fourth proportional to 305,136.60, 457,595.55 and 155,327.10 is: 232,934.99
Step by Step Solution
- Step 1: Write the proportion equation
305,136.60 : 457,595.55 = 155,327.10 : x - Step 2: Convert to fraction form
305,136.60/457,595.55 = 155,327.10/x - Step 3: Cross multiply
305,136.60x = 457,595.55 × 155,327.10 - Step 4: Simplify right side
305,136.60x = 71,076,989,754.41 - Step 5: Solve for x
x = 71,076,989,754.41/305,136.60 - Step 6: Final answer
x = 232,934.99
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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.