Finding the Fourth Proportional to 653,580.99, 980,420.39 and 180,261.95
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Solution
The fourth proportional to 653,580.99, 980,420.39 and 180,261.95 is: 270,406.40
Step by Step Solution
- Step 1: Write the proportion equation
653,580.99 : 980,420.39 = 180,261.95 : x - Step 2: Convert to fraction form
653,580.99/980,420.39 = 180,261.95/x - Step 3: Cross multiply
653,580.99x = 980,420.39 × 180,261.95 - Step 4: Simplify right side
653,580.99x = 176,732,485,517.75 - Step 5: Solve for x
x = 176,732,485,517.75/653,580.99 - Step 6: Final answer
x = 270,406.40
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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.