Finding the Fourth Proportional to 346,330.46, 519,573.64 and 121,706.40
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Solution
The fourth proportional to 346,330.46, 519,573.64 and 121,706.40 is: 182,586.99
Step by Step Solution
- Step 1: Write the proportion equation
346,330.46 : 519,573.64 = 121,706.40 : x - Step 2: Convert to fraction form
346,330.46/519,573.64 = 121,706.40/x - Step 3: Cross multiply
346,330.46x = 519,573.64 × 121,706.40 - Step 4: Simplify right side
346,330.46x = 63,235,437,259.30 - Step 5: Solve for x
x = 63,235,437,259.30/346,330.46 - Step 6: Final answer
x = 182,586.99
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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.