Finding the Fourth Proportional to 193,199.06, 266,630.18 and 107,166.53
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Solution
The fourth proportional to 193,199.06, 266,630.18 and 107,166.53 is: 147,898.39
Step by Step Solution
- Step 1: Write the proportion equation
193,199.06 : 266,630.18 = 107,166.53 : x - Step 2: Convert to fraction form
193,199.06/266,630.18 = 107,166.53/x - Step 3: Cross multiply
193,199.06x = 266,630.18 × 107,166.53 - Step 4: Simplify right side
193,199.06x = 28,573,829,314.89 - Step 5: Solve for x
x = 28,573,829,314.89/193,199.06 - Step 6: Final answer
x = 147,898.39
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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.