Finding the Fourth Proportional to 347,174.85, 520,655.66 and 122,482.74
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Solution
The fourth proportional to 347,174.85, 520,655.66 and 122,482.74 is: 183,686.50
Step by Step Solution
- Step 1: Write the proportion equation
347,174.85 : 520,655.66 = 122,482.74 : x - Step 2: Convert to fraction form
347,174.85/520,655.66 = 122,482.74/x - Step 3: Cross multiply
347,174.85x = 520,655.66 × 122,482.74 - Step 4: Simplify right side
347,174.85x = 63,771,331,833.31 - Step 5: Solve for x
x = 63,771,331,833.31/347,174.85 - Step 6: Final answer
x = 183,686.50
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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.