Finding the Fourth Proportional to 307,720.80, 461,624.40 and 97,336.80
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Solution
The fourth proportional to 307,720.80, 461,624.40 and 97,336.80 is: 146,018.86
Step by Step Solution
- Step 1: Write the proportion equation
307,720.80 : 461,624.40 = 97,336.80 : x - Step 2: Convert to fraction form
307,720.80/461,624.40 = 97,336.80/x - Step 3: Cross multiply
307,720.80x = 461,624.40 × 97,336.80 - Step 4: Simplify right side
307,720.80x = 44,933,041,897.92 - Step 5: Solve for x
x = 44,933,041,897.92/307,720.80 - Step 6: Final answer
x = 146,018.86
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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.