Finding the Fourth Proportional to 157,823.70, 217,875.28 and 97,427.65
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Solution
The fourth proportional to 157,823.70, 217,875.28 and 97,427.65 is: 134,498.66
Step by Step Solution
- Step 1: Write the proportion equation
157,823.70 : 217,875.28 = 97,427.65 : x - Step 2: Convert to fraction form
157,823.70/217,875.28 = 97,427.65/x - Step 3: Cross multiply
157,823.70x = 217,875.28 × 97,427.65 - Step 4: Simplify right side
157,823.70x = 21,227,076,326.43 - Step 5: Solve for x
x = 21,227,076,326.43/157,823.70 - Step 6: Final answer
x = 134,498.66
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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.