Finding the Fourth Proportional to 134,837.10, 202,328.55 and 59,968.80
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Solution
The fourth proportional to 134,837.10, 202,328.55 and 59,968.80 is: 89,985.62
Step by Step Solution
- Step 1: Write the proportion equation
134,837.10 : 202,328.55 = 59,968.80 : x - Step 2: Convert to fraction form
134,837.10/202,328.55 = 59,968.80/x - Step 3: Cross multiply
134,837.10x = 202,328.55 × 59,968.80 - Step 4: Simplify right side
134,837.10x = 12,133,400,349.24 - Step 5: Solve for x
x = 12,133,400,349.24/134,837.10 - Step 6: Final answer
x = 89,985.62
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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.