Finding the Fourth Proportional to 115,952.80, 173,579.06 and 104,864.70
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Solution
The fourth proportional to 115,952.80, 173,579.06 and 104,864.70 is: 156,980.39
Step by Step Solution
- Step 1: Write the proportion equation
115,952.80 : 173,579.06 = 104,864.70 : x - Step 2: Convert to fraction form
115,952.80/173,579.06 = 104,864.70/x - Step 3: Cross multiply
115,952.80x = 173,579.06 × 104,864.70 - Step 4: Simplify right side
115,952.80x = 18,202,316,053.18 - Step 5: Solve for x
x = 18,202,316,053.18/115,952.80 - Step 6: Final answer
x = 156,980.39
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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.