Finding the Fourth Proportional to 163,409.40, 245,114.10 and 93,295.80
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Solution
The fourth proportional to 163,409.40, 245,114.10 and 93,295.80 is: 139,943.70
Step by Step Solution
- Step 1: Write the proportion equation
163,409.40 : 245,114.10 = 93,295.80 : x - Step 2: Convert to fraction form
163,409.40/245,114.10 = 93,295.80/x - Step 3: Cross multiply
163,409.40x = 245,114.10 × 93,295.80 - Step 4: Simplify right side
163,409.40x = 22,868,116,050.78 - Step 5: Solve for x
x = 22,868,116,050.78/163,409.40 - Step 6: Final answer
x = 139,943.70
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1.5x scale
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.