Finding the Fourth Proportional to 97,393.80, 146,090.70 and 44,905.80
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Solution
The fourth proportional to 97,393.80, 146,090.70 and 44,905.80 is: 67,358.70
Step by Step Solution
- Step 1: Write the proportion equation
97,393.80 : 146,090.70 = 44,905.80 : x - Step 2: Convert to fraction form
97,393.80/146,090.70 = 44,905.80/x - Step 3: Cross multiply
97,393.80x = 146,090.70 × 44,905.80 - Step 4: Simplify right side
97,393.80x = 6,560,319,756.06 - Step 5: Solve for x
x = 6,560,319,756.06/97,393.80 - Step 6: Final answer
x = 67,358.70
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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.