Finding the Fourth Proportional to 287,267.01, 396,439.21 and 158,210.92
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Solution
The fourth proportional to 287,267.01, 396,439.21 and 158,210.92 is: 218,336.99
Step by Step Solution
- Step 1: Write the proportion equation
287,267.01 : 396,439.21 = 158,210.92 : x - Step 2: Convert to fraction form
287,267.01/396,439.21 = 158,210.92/x - Step 3: Cross multiply
287,267.01x = 396,439.21 × 158,210.92 - Step 4: Simplify right side
287,267.01x = 62,721,012,831.49 - Step 5: Solve for x
x = 62,721,012,831.49/287,267.01 - Step 6: Final answer
x = 218,336.99
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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.