Finding the Fourth Proportional to 133,280.42, 199,930.95 and 44,534.23
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Solution
The fourth proportional to 133,280.42, 199,930.95 and 44,534.23 is: 66,804.80
Step by Step Solution
- Step 1: Write the proportion equation
133,280.42 : 199,930.95 = 44,534.23 : x - Step 2: Convert to fraction form
133,280.42/199,930.95 = 44,534.23/x - Step 3: Cross multiply
133,280.42x = 199,930.95 × 44,534.23 - Step 4: Simplify right side
133,280.42x = 8,903,771,536.20 - Step 5: Solve for x
x = 8,903,771,536.20/133,280.42 - Step 6: Final answer
x = 66,804.80
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1.5x scale
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.