Finding the Fourth Proportional to 149,416.08, 206,216.14 and 98,420.64
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Solution
The fourth proportional to 149,416.08, 206,216.14 and 98,420.64 is: 135,834.94
Step by Step Solution
- Step 1: Write the proportion equation
149,416.08 : 206,216.14 = 98,420.64 : x - Step 2: Convert to fraction form
149,416.08/206,216.14 = 98,420.64/x - Step 3: Cross multiply
149,416.08x = 206,216.14 × 98,420.64 - Step 4: Simplify right side
149,416.08x = 20,295,924,477.13 - Step 5: Solve for x
x = 20,295,924,477.13/149,416.08 - Step 6: Final answer
x = 135,834.94
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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.