Finding the Fourth Proportional to 432,686.18, 649,261.62 and 180,140.99
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Solution
The fourth proportional to 432,686.18, 649,261.62 and 180,140.99 is: 270,308.22
Step by Step Solution
- Step 1: Write the proportion equation
432,686.18 : 649,261.62 = 180,140.99 : x - Step 2: Convert to fraction form
432,686.18/649,261.62 = 180,140.99/x - Step 3: Cross multiply
432,686.18x = 649,261.62 × 180,140.99 - Step 4: Simplify right side
432,686.18x = 116,958,630,995.80 - Step 5: Solve for x
x = 116,958,630,995.80/432,686.18 - Step 6: Final answer
x = 270,308.22
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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.