Finding the Fourth Proportional to 158,574.60, 218,832.84 and 86,955.84
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Solution
The fourth proportional to 158,574.60, 218,832.84 and 86,955.84 is: 119,999.00
Step by Step Solution
- Step 1: Write the proportion equation
158,574.60 : 218,832.84 = 86,955.84 : x - Step 2: Convert to fraction form
158,574.60/218,832.84 = 86,955.84/x - Step 3: Cross multiply
158,574.60x = 218,832.84 × 86,955.84 - Step 4: Simplify right side
158,574.60x = 19,028,793,421.79 - Step 5: Solve for x
x = 19,028,793,421.79/158,574.60 - Step 6: Final answer
x = 119,999.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.