Finding the Fourth Proportional to 346,438.24, 478,075.50 and 193,472.20
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Solution
The fourth proportional to 346,438.24, 478,075.50 and 193,472.20 is: 266,986.46
Step by Step Solution
- Step 1: Write the proportion equation
346,438.24 : 478,075.50 = 193,472.20 : x - Step 2: Convert to fraction form
346,438.24/478,075.50 = 193,472.20/x - Step 3: Cross multiply
346,438.24x = 478,075.50 × 193,472.20 - Step 4: Simplify right side
346,438.24x = 92,494,318,751.10 - Step 5: Solve for x
x = 92,494,318,751.10/346,438.24 - Step 6: Final answer
x = 266,986.46
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1.5x scale
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.