Finding the Fourth Proportional to 232,359.40, 348,539.10 and 74,603.80
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Solution
The fourth proportional to 232,359.40, 348,539.10 and 74,603.80 is: 111,905.70
Step by Step Solution
- Step 1: Write the proportion equation
232,359.40 : 348,539.10 = 74,603.80 : x - Step 2: Convert to fraction form
232,359.40/348,539.10 = 74,603.80/x - Step 3: Cross multiply
232,359.40x = 348,539.10 × 74,603.80 - Step 4: Simplify right side
232,359.40x = 26,002,341,308.58 - Step 5: Solve for x
x = 26,002,341,308.58/232,359.40 - Step 6: Final answer
x = 111,905.70
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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.