Finding the Fourth Proportional to 170,358.19, 234,875.95 and 139,618.13
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Solution
The fourth proportional to 170,358.19, 234,875.95 and 139,618.13 is: 192,494.07
Step by Step Solution
- Step 1: Write the proportion equation
170,358.19 : 234,875.95 = 139,618.13 : x - Step 2: Convert to fraction form
170,358.19/234,875.95 = 139,618.13/x - Step 3: Cross multiply
170,358.19x = 234,875.95 × 139,618.13 - Step 4: Simplify right side
170,358.19x = 32,792,941,504.08 - Step 5: Solve for x
x = 32,792,941,504.08/170,358.19 - Step 6: Final answer
x = 192,494.07
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1.5x scale
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.