Finding the Fourth Proportional to 163,427.40, 245,141.10 and 93,313.80
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Solution
The fourth proportional to 163,427.40, 245,141.10 and 93,313.80 is: 139,970.70
Step by Step Solution
- Step 1: Write the proportion equation
163,427.40 : 245,141.10 = 93,313.80 : x - Step 2: Convert to fraction form
163,427.40/245,141.10 = 93,313.80/x - Step 3: Cross multiply
163,427.40x = 245,141.10 × 93,313.80 - Step 4: Simplify right side
163,427.40x = 22,875,047,577.18 - Step 5: Solve for x
x = 22,875,047,577.18/163,427.40 - Step 6: Final answer
x = 139,970.70
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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.