Finding the Fourth Proportional to 316,056.94, 474,085.86 and 129,068.44
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Solution
The fourth proportional to 316,056.94, 474,085.86 and 129,068.44 is: 193,602.84
Step by Step Solution
- Step 1: Write the proportion equation
316,056.94 : 474,085.86 = 129,068.44 : x - Step 2: Convert to fraction form
316,056.94/474,085.86 = 129,068.44/x - Step 3: Cross multiply
316,056.94x = 474,085.86 × 129,068.44 - Step 4: Simplify right side
316,056.94x = 61,189,521,433.05 - Step 5: Solve for x
x = 61,189,521,433.05/316,056.94 - Step 6: Final answer
x = 193,602.84
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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.