Finding the Fourth Proportional to 160,088.80, 239,672.40 and 97,880.80
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Solution
The fourth proportional to 160,088.80, 239,672.40 and 97,880.80 is: 146,539.46
Step by Step Solution
- Step 1: Write the proportion equation
160,088.80 : 239,672.40 = 97,880.80 : x - Step 2: Convert to fraction form
160,088.80/239,672.40 = 97,880.80/x - Step 3: Cross multiply
160,088.80x = 239,672.40 × 97,880.80 - Step 4: Simplify right side
160,088.80x = 23,459,326,249.92 - Step 5: Solve for x
x = 23,459,326,249.92/160,088.80 - Step 6: Final answer
x = 146,539.46
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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.