Finding the Fourth Proportional to 162,645.19, 224,588.87 and 102,316.79
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Solution
The fourth proportional to 162,645.19, 224,588.87 and 102,316.79 is: 141,284.31
Step by Step Solution
- Step 1: Write the proportion equation
162,645.19 : 224,588.87 = 102,316.79 : x - Step 2: Convert to fraction form
162,645.19/224,588.87 = 102,316.79/x - Step 3: Cross multiply
162,645.19x = 224,588.87 × 102,316.79 - Step 4: Simplify right side
162,645.19x = 22,979,212,681.70 - Step 5: Solve for x
x = 22,979,212,681.70/162,645.19 - Step 6: Final answer
x = 141,284.31
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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.