Finding the Fourth Proportional to 178,133.04, 246,136.32 and 140,194.08
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Solution
The fourth proportional to 178,133.04, 246,136.32 and 140,194.08 is: 193,713.95
Step by Step Solution
- Step 1: Write the proportion equation
178,133.04 : 246,136.32 = 140,194.08 : x - Step 2: Convert to fraction form
178,133.04/246,136.32 = 140,194.08/x - Step 3: Cross multiply
178,133.04x = 246,136.32 × 140,194.08 - Step 4: Simplify right side
178,133.04x = 34,506,854,936.99 - Step 5: Solve for x
x = 34,506,854,936.99/178,133.04 - Step 6: Final answer
x = 193,713.95
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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.