Finding the Fourth Proportional to 232,807.40, 348,980.70 and 114,381.80
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Solution
The fourth proportional to 232,807.40, 348,980.70 and 114,381.80 is: 171,459.50
Step by Step Solution
- Step 1: Write the proportion equation
232,807.40 : 348,980.70 = 114,381.80 : x - Step 2: Convert to fraction form
232,807.40/348,980.70 = 114,381.80/x - Step 3: Cross multiply
232,807.40x = 348,980.70 × 114,381.80 - Step 4: Simplify right side
232,807.40x = 39,917,040,631.26 - Step 5: Solve for x
x = 39,917,040,631.26/232,807.40 - Step 6: Final answer
x = 171,459.50
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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.