Finding the Fourth Proportional to 155,501.19, 232,970.19 and 71,331.76
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Solution
The fourth proportional to 155,501.19, 232,970.19 and 71,331.76 is: 106,868.47
Step by Step Solution
- Step 1: Write the proportion equation
155,501.19 : 232,970.19 = 71,331.76 : x - Step 2: Convert to fraction form
155,501.19/232,970.19 = 71,331.76/x - Step 3: Cross multiply
155,501.19x = 232,970.19 × 71,331.76 - Step 4: Simplify right side
155,501.19x = 16,618,173,680.23 - Step 5: Solve for x
x = 16,618,173,680.23/155,501.19 - Step 6: Final answer
x = 106,868.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.