Finding the Fourth Proportional to 287,460.66, 396,742.95 and 160,177.26
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Solution
The fourth proportional to 287,460.66, 396,742.95 and 160,177.26 is: 221,070.94
Step by Step Solution
- Step 1: Write the proportion equation
287,460.66 : 396,742.95 = 160,177.26 : x - Step 2: Convert to fraction form
287,460.66/396,742.95 = 160,177.26/x - Step 3: Cross multiply
287,460.66x = 396,742.95 × 160,177.26 - Step 4: Simplify right side
287,460.66x = 63,549,198,655.32 - Step 5: Solve for x
x = 63,549,198,655.32/287,460.66 - Step 6: Final answer
x = 221,070.94
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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.