Finding the Fourth Proportional to 297,878.03, 411,071.66 and 163,742.03
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Solution
The fourth proportional to 297,878.03, 411,071.66 and 163,742.03 is: 225,963.99
Step by Step Solution
- Step 1: Write the proportion equation
297,878.03 : 411,071.66 = 163,742.03 : x - Step 2: Convert to fraction form
297,878.03/411,071.66 = 163,742.03/x - Step 3: Cross multiply
297,878.03x = 411,071.66 × 163,742.03 - Step 4: Simplify right side
297,878.03x = 67,309,707,265.16 - Step 5: Solve for x
x = 67,309,707,265.16/297,878.03 - Step 6: Final answer
x = 225,963.99
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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.