Finding the Fourth Proportional to 329,243.98, 493,526.98 and 129,483.40
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Solution
The fourth proportional to 329,243.98, 493,526.98 and 129,483.40 is: 194,091.78
Step by Step Solution
- Step 1: Write the proportion equation
329,243.98 : 493,526.98 = 129,483.40 : x - Step 2: Convert to fraction form
329,243.98/493,526.98 = 129,483.40/x - Step 3: Cross multiply
329,243.98x = 493,526.98 × 129,483.40 - Step 4: Simplify right side
329,243.98x = 63,903,551,362.13 - Step 5: Solve for x
x = 63,903,551,362.13/329,243.98 - Step 6: Final answer
x = 194,091.78
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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.