Finding the Fourth Proportional to 150,143.48, 207,368.08 and 102,313.80
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Solution
The fourth proportional to 150,143.48, 207,368.08 and 102,313.80 is: 141,308.94
Step by Step Solution
- Step 1: Write the proportion equation
150,143.48 : 207,368.08 = 102,313.80 : x - Step 2: Convert to fraction form
150,143.48/207,368.08 = 102,313.80/x - Step 3: Cross multiply
150,143.48x = 207,368.08 × 102,313.80 - Step 4: Simplify right side
150,143.48x = 21,216,616,263.50 - Step 5: Solve for x
x = 21,216,616,263.50/150,143.48 - Step 6: Final answer
x = 141,308.94
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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.