Finding the Fourth Proportional to 158,389.08, 218,576.93 and 94,726.88
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Solution
The fourth proportional to 158,389.08, 218,576.93 and 94,726.88 is: 130,723.08
Step by Step Solution
- Step 1: Write the proportion equation
158,389.08 : 218,576.93 = 94,726.88 : x - Step 2: Convert to fraction form
158,389.08/218,576.93 = 94,726.88/x - Step 3: Cross multiply
158,389.08x = 218,576.93 × 94,726.88 - Step 4: Simplify right side
158,389.08x = 20,705,109,052.36 - Step 5: Solve for x
x = 20,705,109,052.36/158,389.08 - Step 6: Final answer
x = 130,723.08
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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.